A symposium held at Liblice and Smolenice, 1 September-5 September 1961 under the auspices of UNESCO and of the National institutes of Health U. S. public Health Service
(1962)
Based on the IFA Symposium held in Stockholm, Sweden, April 2-4, 1970. Sponsored by Ahlen-stiftelsen, Sven och Dagmar Salens stiftelse, and Roland Lundborg, M.D.
(1971)
Problems and perspectives : Proceedings of the third IDF consultation on Central and Eastern European dairyng, Warsaw, Poland, 24-26 October 1994
(1995)
An interdiciplinary academic field ingrates physical and biological science to the study of the environment, and the solition of environmental problems
