TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Code of practice for construction of light weight concrete block masonary ,IS:6042-1969 / 
U1  - 693.28 
PY  - 1971///
CY  -  : 
PB  - ISI , 
ER  -