Lewis, Gilbert Newton, 1875-1946. Thermodynamics and the free energy of chemical substances / Gilbert Newton Lewis, Merle Randall. - New York : McGraw-Hill, 1951. - xxiii, 653 p. : ill. ; 24 cm. Includes Index Subjects--Topical Terms: Thermodynamics.Chemistry, Physical and theoretical. Dewey Class. No.: 541.36 / LET 1951