V. S. Mastryukov, E. G. Atavin, A. V. Golubinskii, L. V. Vilkov, V. I. Stanko, Yu. V. Gol'tyapin, J Struct Chem, 23:1 (1982), 41
V. S. MASTRYUKOV, O. V. DOROFEEVA, L. V. VILKOV, Chemischer Informationsdienst, 12:15 (1981)