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2.
International lending: principles and guidelines for procedure (1978), in A brief guide to centres of international lending and photocopying. 2nd ed. Boston Spa, IFLA Office for International Lending, 1979.
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Resolutions and statements, in IFLA Annual 1973. Pullach/München, Verlag Dokumentation , 1974.
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A brief guide to centres of international lending and photocopying. 2nd ed. Boston Spa, IFLA Office for International Lending, 1979.
5.
Sterescu, Alice.The interrelationship between the international exchange of publications and interlibrary loan. Paper presented to IFLA's Section on Exchange of Publications, 1973. 6) Rovelstad, Howard.The economics of the Universal Serials and Book Exchange (USBE). IFLA Conference Paper 47/EX/3E. 1978.
6.
Popov, Vladimir and Juri Dügmadziev .Die Rolle der photomechanischen Vervielfältigung und der Mikroformen im Tausch. Möglichkeiten und Perspektiven. IFLA Conference Paper 53/9/EX/2. 1977.
7.
Bower, C.A.Patterns of use of the serial literature at the BLLD. BLL Review, 1976, 4 (2), 31-36.
8.
Urquhart, D.J.Exchanges and interlibrary lending, in Schiltman, Maria J., ed. The international exchange of publications. Proceedings. Vienna, April 1972. Pullach/München, Verlag Dokumentation , 1973.