TY - BOOK AU - Mishra, K D TI - Ecology of polluted waters and toxicology SN - 818577160X CY - Jaipur KW - Environmental engineering KW - Environmental impact assessment KW - Heavy metal pollution KW - Plankton diversity KW - Pollution -- Water pollution KW - River pollution KW - Toxicity -- Insecticides, Herbicides, Fungicides N1 - Includes bibliographical references and index ER -