United States Agricultural Research Service. text bibliography mdu Beltsville, MD] Springfield, VA U.S. Department of Agriculture, Agricultural Research Service National Technical Information Service [1991] 1991 monographic eng

print

ii, 53 p. ill. 22 cm. Honeybee Diseases Diagnosis Handbooks, manuals, etc Federal document Book Honeybee Parasites Handbooks, manuals, etc A 1.76:690 A 1.76:690 ocm23860574 910530 20160527201147.0 44126