TY  - BOOK
AU  - Gupta, O. P. 
TI  - Aquatic weeds: their menace and control a text book and manual/ 
U1  - 632.58/ GUA 22
PY  - 1979///
CY  - India
PB  - Today & Tomorrow's Printers & Publication
KW  - Aquatic weeds
N1  - Includes subject index
ER  -