000 00465pam a2200169 a 4500
020 _cP.B.
041 _aeng
082 _a372.357
_bDES/DES
100 _aDESWAL S. AND DESWAL A.
245 _aA BASIC COURSE IN ENVIRONMENTAL STUDIES 2ND REVISED ED
_hTextual Documents
250 _a01-01-2008
260 _bDHANPAT RAI and CO.(P) LTD., NEW DELHI
300 _aXV/IV/8.2/VII
_c21*14
500 _a12922
653 _aELEM. OF CIVIL ENGINEERING
930 _a12456
999 _c55679
_d55679