000 00396nam a2200133Ia 4500
082 _a363.74
_bOPE
100 _aOpen University Press[OUP]
245 _aEnvironmental control and public health. Units13&14 : air pollution.
260 _aEngland
_bOpen Uni. Press
_c1977
300 _a105p.
890 _aUnited Kingdom
891 _aGratis from British Library, Ahmedabad.
999 _c10400
_d10400