Physical chemistry : principles of chemical change - Walton Hall : The Open University, 1996. - 73 p. : ill. ; 30 cm. - The Open University Science ; S342, Topic Study 1 . Science: a third level course Topic study 1: The threat to stratospheric ozone. ISBN: 0749251905 Subjects--Topical Terms: Chemistry, Physical and theoretical Dewey Class. No.: 541.3