Campbell, J. Arthur 1916- Why do chemical reactions occur? / J. Arthur Campbell. - Englewood Cliffs, N.J., Prentice-Hall c1965 - viii, 117 p. : ill. ; 23 cm. - Foundations of modern chemistry series . Subjects--Topical Terms: Chemical reaction, Conditions and laws of. Dewey Class. No.: 541.39 / CAW 1965