TY  - BOOK
AU  - R. S. Singh
TI  - Introduction to principles of plant pathology
SN  - 8120415515
U1  - 632.3 
PY  - 2002///
CY  - New Delhi
PB  - Ox-IBH
KW  - Plant diseases
KW  - Plant pathology
N1  - Includes bibliographical references and index
ER  -