Amdur, Richard. The fragile earth / by Richard Amdur ; introduction by Russell E. Train. - New York : Chelsea House, c 1994. - 108 p. : ill. ; 23 cm. - Earth at risk. . Includes index. Includes bibliographical references (p. 98-99) and index. . ISBN: 0-7910-1572-6 Subjects--Topical Terms: Atmosphere. Dewey Class. No.: 363.2 / A27f