April 1981

Afrique Et Developpement, Africa Development, Vol. Vi, N° 2, April-June 1981

Filosofia Oggi, Anno Iv, N° 2, Aprile-Giugno 1981

Air Enthusiast, Num. Fifteen, April-July 1981 (Contents: Handley Page Halifax: The Second String. Dc-4 Story. Britain's First Swept-Wing Jets. The Spad 7. F-15 Operations In Korea)

Jacques Hurtubise - February 9-March 15, 1981, The Art Museum And Galleries, California State University, Long Beach, Canadian Cultural Center, Paris, April 3-May 31, 1981, Canada House...

Jazz Journal International Volume 34 N°4 April 1981

New Energy Conservation Technologies And Their Commercialization: Proceedings Of An International Conference, Berlin, 6?10 April, 1981

Nutritive Sweeteners. Proceedings Of The Symposium At The University Of Reading Held In April Of 1981