TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Specification for asbestos cement cable conducts and traughs IS:8870-1978 
U1  - 666.961 
PY  - 1979///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -