TY  - BOOK
ED  - Indian Standards Institution                                                                                                                                                                                                                                   . 
TI  - Specification for concrete masonry units, IS2185(Part 1)-1979 / 
U1  - 666.972 
PY  - 1980///
CY  - New Delhi : 
PB  - Indian Standards Institution , 
ER  -