TY  - BOOK
AU  - Singh,R.S., x
AU  - x
TI  - Introduction to principles of plant pathology: x
SN  - 8120401786
U1  - 581.2/S617i 
PY  - 1987///
CY  - New Delhi
PB  - Oxford & IBH Pub.
KW  - Plants-diseases
KW  - Botany
N1  - includes
ER  -