TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Liquid sedimentation methods for determination of particle size of powders,IS:5282-1969 / 
U1  - 620.168 
PY  - 1970///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -