TY - BOOK AU - Rao,S.S. TI - Impact assessment of hazardous aquatic contaminants: concepts and approaches SN - 0849341094 (acidfree paper) AV - QH545.W3 I46 1999 U1 - 577.627 RAO 21 PY - 1999/// CY - Boca Raton PB - Lewis Publishers KW - Water KW - Pollution KW - Aquatic organisms KW - Effect of water pollution on KW - Ecological risk assessment N1 - H.B; Includes bibliographical references and index UR - http://www.loc.gov/catdir/enhancements/fy0744/98047582-d.html ER -