TY  - BOOK
AU  - Indian Standard Institution
AU  - Farm Implements and Sectional Committee AFDC-20
AU  - Indian Standard Institution
TI  - Specification for P T O Shaffs of Agril. Tractors (IS-4931-1968)
CY  - New Delhi
PB  - Indian Standards Institution
KW  - Specification
KW  - Tractors
ER  -