Evaluation of research and development : methodologies for R&D evaluation in the European community member states, the United States of America, and Japan : proceedings of the seminar held in Brussels, Belgium, October 17-18, 1983 / edited by G. Boggio and E. Spachis-Papazois

The Environment of human settlements : human well-being in cities : proceedings of the conference held in Brussels, Belgium, April 1976

Phosphorus in freshwater ecosystems : proceedings of a symposium held in Uppsala, Sweden, 25-28 Sept. 1985 / edited by Gunnar Persson and Mats Jansson

Long term perspective in coastal zone development : multifunctional coastal protection zones

Management and corporations 1985 : a symposium held on the occasion of the tenth anniversary of the Graduate School of Industrial Administration, Carnegie Institute of Technology / edited by Melvin Anshen, George Leland Bach