000 00527nam a22001577a 4500
005 20120609153351.0
020 _a8176480193
_c300.00
035 _aA-943838
037 _aDPL
_bENG
100 _aNayar, K.R.
_948792
245 _aEcology and health :
_bA systems approach /
_cby K.R. Nayar
260 _aNew Delhi
_bAPH Publishing Corporation
_c1998
300 _avii, 210p.
_c20 cms.
942 _2ddc
_cBN
999 _c67771
_d67771