TY  - BOOK
AU  - Singh, Gurcharan  .
TI  - Plant systematics: theory and practice / 
SN  - 81-204-1364-4
U1  - I5 
PY  - 1999///
CY  - New Delhi : 
PB  - Oxford & IBH Publishing CO. Pvt. Ltd. , 
KW  - Plant systematics
ER  -