TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Recommendation for lighting,ventilation and other facilities inside dams,IS:9297-1979 / 
U1  - 696.6 
PY  - 1980///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -