Agarwal, S.K. Air pollution / S.K. Agarwal. - New Delhi : ABD Publishers, 2005 - viii, 323 p. : ill., maps ; 23 cm. Includes bibliographical references and index. ISBN: 8176488313 ;9788176488310 Subjects--Topical Terms: Air -- Pollution. Universal Decimal Class. No.: 363.7392