Canadian Plant Disease Survey. v.47, 1967
Creelman, D.W., ed.
Canadian Plant Disease Survey. v.47, 1967 edited by D.W. Creelman - Ontario Agriculture Canada 1967 - v.47, 119 p.; 26cm.
0008476X
Canadian Plant Disease Survey. v.47, 1967 edited by D.W. Creelman - Ontario Agriculture Canada 1967 - v.47, 119 p.; 26cm.
0008476X