Guljajewa; Daugulewa Kaucuk.Rez.Chem.Abstr., 1937 , # 1 p. 49 Kaucuk.Rez.Chem.Abstr., 1938 , p. 3756 Full Text Show Details Ruigh; Major Journal of the American Chemical Society, 1931 , vol. 53, p. 2664,2670