000 00287nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aSOMVANSHI (S.), DHUPPER (RENU)
245 0 _aFUNDAMENTAL OF ENVIRONMENTAL STUDIES
250 _a2ND
260 _bS.K. KATARIA NEW DELHI
942 _2ddc
999 _c99898
_d99898