Leelakrishnan, P . Environmental law case book / P Leelakrishnan. - 2nd ed. - New Delhi : Butterworths, 2006. - ix, 466 p. ; 24 cm. Includes bibliographical references and index. Reference ISBN: 8180381323 Subjects--Topical Terms: Environmental law--India. Dewey Class. No.: 343.046 / LEE