The 21st International Apicultural Congress, University of Maryland, U.S.A., 14-17 August, 1967
By: International Federation of Beekeepers' Associations, Apimondia
Contributors: Apimondia
Publisher: Apimondia Pub. House
Published: 1967
Place of publication: Bucharest, Romania
Language: eng
Number of pages: 573
Notes: Date of publication on colophone: 1969.