000 00389nam a2200169Ia 4500
999 _c2001
_d2001
003 OSt
005 20230327120548.0
008 201006s9999 xx 000 0 und d
040 _cBBDU
100 _aGUPTA, K. M.
245 0 _aENVIRONMENT AND ECOLOGY
260 _bUMESH PUBLICATION
300 _a67p
650 _aenvironment and ecology
650 _aENVIRONMENTAL
942 _cBK
_2ddc