Harwood, Richard. Chemistry [[Book] /] Richard Harwood. - 2 ed. - London : Cambridge University Press, 2002. - 415 p : ill( some col) ; 29cm. All age. ISBN: 0521666627 Subjects--Topical Terms: Chemistry--Chemistry Examinations, questions, etc. Dewey Class. No.: 540 National Library of Medicine Call No.: / H.C