Organochlorine insecticide residues in the environment & effects of HCH on soil biological activities
Taxak, Sunita
Organochlorine insecticide residues in the environment & effects of HCH on soil biological activities - 205 p.
595.7 T199O
Organochlorine insecticide residues in the environment & effects of HCH on soil biological activities - 205 p.
595.7 T199O