Noeth, H.; Schaefer, H.; Schmid, G. Angewandte Chemie, 1969 , vol. 81, p. 530 Full Text Show Details Schaefer, H.; Schmid, G. Z. Naturforsch. b, 1971 , vol. 26, p. 497 - 503 Full Text Show Details Gmelin Handbook: B: B-Verb.3, 10.5.3.1, page 176 - 177