000 00274nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aSOMVANSHI (S.), DHUPPER (RENU)
245 0 _aFUNDAMENTAL OF ENVIRONMENTAL STUDIES
260 _bKATSON-KATARIA PUB. NEW DELHI
942 _2ddc
999 _c99830
_d99830