Innovation for information :
international contributions to librarianship : Festschrift in honour of Dr. Ahmed H. Helal /
edited by Joachim W. Weiss.
APA Citation
Weiss, J. W. (Joachim W.)., Helal, A. H. (Ahmed H.). (1992). Innovation for information: international contributions to librarianship : Festschrift in honour of Dr. Ahmed H. Helal. Essen: Universitätsbibliothek Essen.
MLA Citation
Weiss, J. W. (Joachim W.), and A. H. (Ahmed H.) Helal. Innovation for Information: International Contributions to Librarianship : Festschrift In Honour of Dr. Ahmed H. Helal. Essen: Universitätsbibliothek Essen, 1992.
Warning: These citations may not always be complete (especially for serials).