Meshcheryakov,A.P.; Glukhovtsev,V.G. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation)Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 19601960, # 11 p. 1891 - 18932042 - 2043 doi: 10.1007/BF00907753