000 00391nam a2200157Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a628
_bVAR
100 _aVarandani N S
245 0 _aBasic of environmental studies 2nd ed.
250 _a2nd edition.
260 _aAhmedabad :
_bBooks India ,
_c2010.
300 _a303
365 _a225
650 _aCivil Engineering
999 _c94650
_d94650