TY  - BOOK
ED  - Indian Standard Institution                                                                                                                                                                                                                                    . 
TI  - Method of sampling and preparation of asbetos fibre for laboratory test purposes,IS:4844-1968 
U1  - 620.113 
PY  - 1969///
CY  - New Delhi : 
PB  - Indian Standards Institution , 
ER  -