Hillmann-Elies; Hillmann Zeitschrift fuer Naturforschung, 1953 , vol. 8b, p. 527 Full Text Show Details Rjabinin; Il'ina Doklady Akademii Nauk SSSR, 1951 , vol. 76, p. 689,691 Chem.Abstr., 1951 , p. 8479