TY  - BOOK
ED  - Indian Standard Institution                                                                                                                                                                                                                                    . 
TI  - Code for practice for subsurface investigation for power house sites, IS: 10060-1981 
U1  - 624.131 
PY  - 1982///
CY  - New Delhi : 
PB  - Indian Standards Institution , 
ER  -