TY  - BOOK
AU  - Bureau of Indian standards,  .
ED  - Bureau of Indian standards                                                                                                                                                                                                                                     . 
TI  - Methods of test for aggregates for concrete  part-1   particle size and shape   IS: 2386-1963 / 
U1  - 620.1 
PY  - 1989///
CY  -  : 
PB  - Bureau of Indian standards , 
ER  -