TY  - BOOK
ED  - Indian Standards Institution                                                                                                                                                                                                                                   . 
TI  - Specification for rotary paddy weeder, Manually-operated, IS1976-1976 / 
U1  - 631.315 
PY  - 1977///
CY  - New Delhi : 
PB  - Indian Standards Institution , 
ER  -