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		Resource sharing : new technologies as a must for universal availability of information, 16th International Essen Symposium, 18 October - 21 October 1993 / edited by Ahmed H. Helal, Joachim W. Weiss. by International Essen Symposium (16th: 1993) \| Helal, Ahmed H \| Weiss, Joachim W \| Geh, Hans-Peter \| Universitätsbibliothek Essen. Series: Veröffentlichungen der Universitätsbibliothek Essen ; v. 17Material type: Text; Format: print Publication details: Essen : Universitätsbibliothek, 1994Availability: Items available for loan: WHO HQ (1)Call number: Z 674.7' 94IN. Place hold Add to cart (remove)
		Impact of new information technology on international library cooperation : Essen Symposium, 8-11 September 1986 / contributors, Bent Barnholdt ... [et al.] ; edited by Ahmed H. Helal, Joachim W. Weiss. by Essen Symposium (1986) \| Barnholdt, Bent \| Helal, Ahmed H \| Weiss, Joachim W \| Universitätsbibliothek Essen. Series: Veröffentlichungen der Universitätsbibliothek Essen ; v. 9Material type: Text; Format: print Publication details: Essen : Universitätsbibliothek, 1987Availability: Items available for loan: WHO HQ (1)Call number: Z 699.A1 87ES. Place hold Add to cart (remove)

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