000 00405nam a2200157Ia 4500
008 210301b2012 xxu||||| |||| 00| 0 eng d
082 _a577/DES
100 _aDESWAL ,S.
245 _aBASIC COURSE IN ENVIRONMENTALS STUDIES
260 _aNEW DELHI
_bDHANPAT RAI
_c2012.
300 _a7.36
500 _aB.TECH
690 _aENVIRONMENTAL SCIENCE
690 _aFACULTY OF ENGINEERING
690 _aMRU
905 _aBooks
906 _aMRU
907 _a148655
999 _c233409
_d233409