000 00271nam a2200121Ia 4500
100 _aRay, P K
020 _a81-224-0436-7
942 _cBK
245 _aPollution and health
260 _aWiley Eastern Limited, New Delhi
_c1992
082 _a614.7 Ray
300 _avii,157
999 _c60810
_d60810