000 00428nam a22001577a 4500
999 _c1344
_d1344
003 OSt
005 20210611140147.0
008 120919b xxu||||| |||| 00| 0 eng d
040 _cKrishna
082 _a333.7 PAT
100 _aPatra, A. K.
245 _aEnvironmental studies :
_bMan and Environment /
_cA. K. Patra.
260 _aNew Delhi :
_bKalyani Publishers,
_c1997.
300 _a449 p. :
_bill. ;
_c22 cm.
942 _2ddc
_cBK