TY  - BOOK
AU  - R.S. Singh
TI  - Introduction to principles of plant pathology. Ed 2
U1  - 632.3 
PY  - 1978///
CY  - Calcutta
PB  - Oxford IBH publishing Co
N1  - R.S. Singh: Introduction to principles of plant pathology. Ed 2.  (2nd Ed)  Calcutta.  Oxford IBH publishing Co, 1978.--(632.3SIN)
ER  -