Jones, Claire . Pollution: The Air we Breathe / Textual Documents Claire Jones, S.J.Gadler & Paul H. Engstrom. - 1st ed. / - London : J.M. Dent & Sons , 1972. - 96p. : ill ; 22cm . Subjects--Index Terms: Pllution-Air Air Pollution G-Technology Dewey Class. No.: 614.651 / J 712 P