00271nam a2200097 a 450000500170000008200160001710000200003324500540005326000400010730000260014720251203092225.0  a363.73bCHA  aChaurasia, B.P.  aEnvironmental Pollution Consequences and Measures  aAllahabadbChugh Publicationsc1992  axxiv,431p.c22 cm. HB