000 00514nam a2200193Ia 4500
008 220516s9999 xx 000 0 und d
020 _a8176480193
041 _aeng
082 _a577
_bNAY/E
100 _aNayar, K.R.
245 0 _aEcology and health
_b: A systems approach
_c / by K.R. Nayar
260 _aNew Delhi:
_bAPH Publishing Corporation,
_c1998.
300 _aviii, 210p.
650 _aEcological setting
650 _aEcology
650 _aLife science
650 _aSocio-economic
942 _cBK
999 _c3111
_d3111