Canadian Plant Disease Survey. v.62, 1982
Beauchamp, P., ed.
Canadian Plant Disease Survey. v.62, 1982 edited by P. Beauchamp - Ontario Agriculture Canada 1982 - v.62, 51 p.; 26cm.
0008476X
Canadian Plant Disease Survey. v.62, 1982 edited by P. Beauchamp - Ontario Agriculture Canada 1982 - v.62, 51 p.; 26cm.
0008476X