International library cooperation :
10th Anniversary Essen Symposium, 19 October-22 October 1987 : Festschrift in honour of Prof. Dr. Günther Pflug to his 65th birthday /
edited by Ahmed H. Helal, Joachim W. Weiss.

APA Citation

Essen Symposium (10th : 1987)., Weiss, J. W. (Joachim W.)., Helal, A. H. (Ahmed H.)., Pflug, G. (1988). International library cooperation: 10th Anniversary Essen Symposium, 19 October-22 October 1987 : Festschrift in honour of Prof. Dr. Günther Pflug to his 65th birthday. Essen: Universitätsbibliothek Essen.

MLA Citation

Essen Symposium (10th : 1987), J. W. (Joachim W.) Weiss, A. H. (Ahmed H.) Helal, and Günther Pflug. International Library Cooperation: 10th Anniversary Essen Symposium, 19 October-22 October 1987 : Festschrift In Honour of Prof. Dr. Günther Pflug to His 65th Birthday. Essen: Universitätsbibliothek Essen, 1988.