000 00421nam a2200169Ia 4500
008 160601s9999 xx 000 0 und d
020 _a8176480193
100 _aNayar, K R
_969948
245 _aEcology and health: A systems approach
260 _aNew Delhi
260 _bAPH
260 _c1998
300 _aviii;210p
650 _aHealth
_9283
650 _aPhysical illness
_969610
650 _aSocial problems
_996
999 _c24045
_d24045