TY  - BOOK
AU  - Singh,R.S.(Rama Shanker),1927-
TI  - Introduction to principles of plant pathology
SN  - 8120401786
U1  - 632.3 
PY  - 1991///
CY  - New Delhi
PB  - Oxford and IBH
KW  - Plant diseases
KW  - Plant pathology
N1  - Includes index
ER  -