(3) R. Weissberger, ed.: Technique of organic chemistry, Physical methods of Organic chemistry, Third Edition, Interscience Publications, New York, 1959, volume I, Part I, Chapter VIII.
(3) R. Weissberger, ed.: Technique of organic chemistry, Physical methods of Organic chemistry, Third Edition, Interscience Publications, New York, 1959, volume I, Part I, Chapter VIII.