00599 2200169 4500001002100000005001500021035002000036008004100056041000700097082002000104090002000124100002300144245013700167260004200304300002400346650005900370INLIS00000000001120520240229112603 a0010-0521011205240229 | |  aen a636.5.089/STA/p a636.5.089/STA/p0 aSTAPLES, Walter S.1 aProceedings of the symposia on Infectious Bursal Disease Gumboro Disease Atlanta Georgia September 20-21, 1977 /cSTAPLES, Walter S. aMaryland :bCobb International,c1977 a58 p.: ill.; 28 cm. 4aINFECTIOUS BURSAL DISEASE VIRUS -- FOWLS -- CONGRESSES