by SHEPELYAKOVSKY K Z, DEVYATKIN V P, DERBUNOV M A, KACHANOV N N, GAZAROV L A, 10)VOLOGDIN V V, DEVYATKOV V F, USHAKOV B K, PCHELKINA V M, SHAKHOV V I, 1SHKLYAROV I N, 1KALNER V D
Year of Publication 20.10.1975