Ouseph, P. P. (1992). Distribution of some selected toxic metals in the Cochin harbour region. Centre for Earth Science Studies.
Chicago-tyylinen lähdeviittausOuseph, P. P. Distribution of Some Selected Toxic Metals in the Cochin Harbour Region. Thiruvananthapuram: Centre for Earth Science Studies, 1992.
MLA-viiteOuseph, P. P. Distribution of Some Selected Toxic Metals in the Cochin Harbour Region. Centre for Earth Science Studies, 1992.
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