TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Guidelines for stocking spare parts of agicultural tractors,IS:9864-1981 / 
U1  - 631.372 
PY  - 1981///
CY  -  : 
PB  - ISI , 
ER  -