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Helal, Ahmed H. [Other] ; International Essen Symposium 19 1996 Essen

Towards a worldwide library : a ten year forecast

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Essen: Universitätsbibliothek, 1997

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 21
Helal, Ahmed H. [Other]; White, Herbert S. [Honoree]; Helal, Ahmed H. [Editor] ; Universitätsbibliothek Essen, International Essen Symposium 15 1992 Essen

Opportunity 2000 : understanding and serving users in an electronic library ; Festschrift in honour of Herbert S. White

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Essen: Universitätsbibliothek, 1993

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 15
Helal, Ahmed H. [Other]; Battin, Patricia [Honoree]; Helal, Ahmed Helmi [Editor] ; International Essen Symposium 18. 1995 Essen

Electronic documents and information : from preservation to access ; Festschrift in honor of Patricia Battin

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Essen: Univ.-Bibl., 1996

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 20
Helal, Ahmed H. [Other]; Adams, Bernhard [Honoree]; Helal, Ahmed Helmi [Editor]

Impulse für Bibliotheken : Festschrift für Bernhard Adams zum 65. Geburtstag

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Essen: Univ.-Bibliothek, 1995

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 19
Weiss, Joachim W. [Editor]; Helal, Ahmed H. [Honoree]; Helal, Ahmed Helmi [Honoree] ; Universitätsbibliothek Essen

Innovation for information: international contributions to librarianship : Festschrift in honour of Ahmed H. Helal

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Essen: Univ.-Bibl., 1992

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 16
Helal, Ahmed H. [Other]; Dougherty, Richard M. [Honoree]; Helal, Ahmed Helmi [Editor] ; International Essen Symposium 14 1991 Essen

Libraries and electronic publishing: promises and challenges for the 90's : Festschrift in honour of Richard M. Dougherty

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Essen, 1992

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 14
Helal, Ahmed H. [Other]; Line, Maurice B. [Honoree]; Helal, Ahmed Helmi [Editor] ; Universitätsbibliothek Essen, Essen Symposium 11 1988

The impact of CD-ROM on library operations and universal availability of information : Festschr. in honor of Dr. Maurice B. Line

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Essen, 1989

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 11
Helal, Ahmed H. [Other]; Pflug, Günther [Honoree]; Helal, Ahmed Helmi [Editor] ; Essen Symposium 10 1987

International library cooperation : Festschr. in honour of Prof. Dr. Günther Pflug to his 65th birthday

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Essen, 1988

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 10
Helal, Ahmed H. [Other]; Kilgour, Frederick G. [Honoree]; Helal, Ahmed Helmi [Editor] ; Essen Symposium 7 1984

Local library systems : Festschrift in honour of Frederick G. Kilgour to his 70. birthday

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Essen: Gesamthochschulbibliothek, 1984

Published in: Gesamthochschulbibliothek: Veröffentlichungen der Gesamthochschulbibliothek Essen ; 700
Helal, Ahmed Helmi [Author]

Ergänzende Untersuchung zur Modelliste medizinischer Zeitschriften für Universitätsbibliotheken

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Bochum: [Universitätsbibliothek], 1968
Helal, Ahmed Helmi [Editor]; Barnholdt, Bent [Other] ; Essen Symposium 9 1986

Impact of new information technology on international library cooperation : Essen Symposium, 8 September - 11 September 1986; Univ.-Bibl. Essen

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Essen: Universitätsbibliothek, 1987

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 9
Helal, Ahmed H. [Editor]; Geh, Hans-Peter [Honoree] ; Universitätsbibliothek Essen, International Essen Symposium 16 1993 Essen

Resource sharing : new technologies as a must for universal availability of information ; Festschrift in honour of Hans-Peter Geh

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Essen: Univ.-Bibliothek, 1994

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 17
Bonness, Elke [Author]; Delbrück, B. [Author]; Goossens, Paula [Author] ; Helal, Ahmed H. [Editor]; Weiss, Joachim W. [Editor] Gesamthochschulbibliothek Essen, INTERMARC Group Software Subgroup, Library Systems Seminar 4 1981 Essen

Hierarchical relationships in bibliographic descriptions : Library Systems Seminar Essen, 25 March - 27 March 1981 - [2. impression]

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Essen: Gesamthochschulbibliothek, 1982

Published in: Gesamthochschulbibliothek: Veröffentlichungen der Gesamthochschulbibliothek Essen ; 2 - INTERMARC Group: INTERMARC Software-Subgroup seminar ; 4
Helal, Ahmed H. [Other]; De Gennaro, Richard [Honoree]; Helal, Ahmed H. [Editor] ; International Essen Symposium 12 1989 Essen

Developments in microcomputing : discovering new opportunities for libraries in the 1990s ; Festschrift in honour of Richard De Gennaro

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Essen: Universitätsbibliothek Essen, 1990

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 12
Helal, Ahmed H. [Other]; Weiss, Joachim W. [Other]; Bivins Noerr, Kathleen [Other]; Helal, Ahmed H. [Editor] ; Gesamthochschulbibliothek Essen, Essen Symposium 8 1985

Future of online catalogues : Essen Symposium, 30 Sept. - 3 Oct. 1985

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Essen: Gesamthochschulbibliothek, 1986

Published in: Gesamthochschulbibliothek: Veröffentlichungen der Gesamthochschulbibliothek Essen ; 800
Helal, Ahmed H. [Other]; Wolf, D. [Other]; Jeffreys, A. E. [Other]; Helal, Ahmed Helmi [Editor]; Barnholdt, Bent [Other] ; Gesamthochschulbibliothek Essen, Essen Symposium 3 1980

Current trends in serials automation

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Essen: Gesamthochschulbibliothek, 1981

Published in: Gesamthochschulbibliothek: Veröffentlichungen der Gesamthochschulbibliothek Essen ; 100
Helal, Ahmed Helmi [Editor]; Weiss, Joachim W. [Other] ; Essen Symposium 6 1983

New trends in electronic publishing and electronic libraries : Essen Symposium, 29 August - 31 August 1983

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Essen: Gesamthochschulbibliothek, 1984

Published in: Gesamthochschulbibliothek: Veröffentlichungen der Gesamthochschulbibliothek Essen ; 600
Wilfrid [Author] ; Helal, Ahmed H. [Other]; Lancaster, Frederick Wilfrid [Honoree]; Helal, Ahmed Helmi [Editor]; Lancaster, F. Wilfrid [Honoree]; Weiss, Joachim W. [Other] Universitätsbibliothek Essen, International Essen Symposium 17 1994 Essen

Information superhighway: the role of librarians, information scientists, and intermediaries ; Festschrift in honor of Frederick Wilfrid Lancaster ; 17. International Essen Symposium, 24 October - 27 October 1994

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Essen: Universitätsbibliothek, 1995

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 18
Helal, Ahmed H. [Other]; Beckman, Margaret [Honoree]; Weiss, Joachim W. [Other] ; Universitätsbibliothek Essen, International Essen Symposium 13 1990 Essen

Information technology and library management : 13. International Essen Symposium, 22 October - 25 October 1990 ; Festschrift in honour of Margaret Beckman

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Essen: Universitätsbibliothek, 1991

Published in: Universitätsbibliothek: Veröffentlichungen der Universitätsbibliothek Essen ; 13
Noerr, K. T. [Author]; Buckle, David [Author]; Pflug, Günther [Author]; Garfield, Eugene [Author] ; Helal, Ahmed H. [Editor]; Weiss, Joachim W. [Editor]; Bivins Noerr, Kate [Other] Gesamthochschulbibliothek Essen, Essen Symposium 5 1982

Increasing productivity through library automation

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Essen: Gesamthochschulbibliothek, 1983

Published in: Gesamthochschulbibliothek: Veröffentlichungen der Gesamthochschulbibliothek Essen ; 5

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