R.S. Singh, .
Introduction to principles of plant pathology / by R.S. Singh. - 3rd ed / - New Delhi : Oxford & IBH Publishing Co. , 1950 - 534p,x :
81-204-0178-6
Plant Pathology
I:4 / M4;2
Introduction to principles of plant pathology / by R.S. Singh. - 3rd ed / - New Delhi : Oxford & IBH Publishing Co. , 1950 - 534p,x :
81-204-0178-6
Plant Pathology
I:4 / M4;2