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]