Bridgman, Howard A. Global air pollution : problem for the 1990s / Howard A. Bridgman - New Delhi : CBS publishers & distributors, c1992. - xiv,261 p. : ill. ; 22 cm. Includes index. ISBN: 8123900309 LCCN: Subjects--Topical Terms: EnvironmentAir pollution LC Class. No.: / . 1992