TY - BOOK AU - HESTER, R.E. AU - HARRISON, WALTER A. TI - CHEMICALS IN THE ENVIRONMENT: ASSESSING AND MANAGING RISK SN - 0854042067 U1 - 540 CY - CAMBRIDGE KW - CONTAMINACION AMBIENTAL KW - EVALUACION DE RIESGOS ECOLOGICOS N1 - ISSUES IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY # 22 ER -