The theory of resonance and its application to organic chemistry / by George Willard Wheland ... Wheland, George Willard, 1907- Mesomerism. Chemistry, Physical and theoretical. Chemistry, Organic. QD471 .W57 547 WHT Includes Index. Bibliographical foot-notes. New York, J. Wiley and Sons, inc.; London : Chapman and Hall, limited, c1944. c1944. 1944 Text vi, 316 p. : eng