Hardy
Journal of the Chemical Society, 1936 , p. 363,365
Journal of the Chemical Society, 1938 , p. 466
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Morgan
Bulletin des Societes Chimiques Belges, 1936 , vol. 45, p. 294
Holtmeyer
Zeitschrift fuer Chemie, 1867 , p. 688
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Claisen
Justus Liebigs Annalen der Chemie, 1876 , vol. 180, p. 17
Chemische Berichte, 1874 , vol. 7, p. 1169