TY - BOOK AU - Salem S Rao TI - Impact assessment of hazardous aquatic contaminants: :concepts and approaches SN - 0849341092 PY - 1999/// CY - Boca Raton PB - Lewis Publishers KW - Water pollution KW - Aquatic organisms - effect of water pollution KW - Ecological risk assessment N1 - Includes bibliographical references and index ER -