Helal, Ahmed H.
[Other];
Weiss, Joachim W.
[Other];
BivinsNoerr, Kate
[Other];
Helal, Ahmed H.
[Editor];
Bivins Noerr, Kathleen
[Other]
;
Gesamthochschulbibliothek Essen,
Essen Symposium 8 1985
Noerr, K. T.
[Author];
Buckle, David
[Author];
Pflug, Günther
[Author];
Garfield, Eugene
[Author]
;
Helal, Ahmed H.
[Editor];
Weiss, Joachim W.
[Editor];
BivinsNoerr, Kate
[Other]Gesamthochschulbibliothek Essen,
Essen Symposium 5 1982