TY - BOOK AU - Clay,Henry Hurrell AU - Bassett,W.H. TI - Clay's handbook of environmental health SN - 0412394804 (alk. paper) U1 - 614 PY - 1992/// CY - London, New York, New York PB - Chapman & Hall Medical, Van Nostrand Reinhold KW - Environmental health KW - Great Britain N1 - Includes bibliographical references and index ER -