000 00430nam a2200181Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aAsthana, D.K.; Meera Asthana
245 _aTextbook of Environmental Studies
250 _a1
260 _bS. Chand and Sons; Delhi
_c2006
300 _a0
546 _aEnglish
942 _2ddc
_cBK
999 _c35532
_d35532
005 20220125170348.0