Military Parade, viewed 24/3/2001, created August
"Most post-war Russian torpedoes were developed at the St Petersburg Gidropribor Central Research Institute headed by A. M. Borushko, R. V. Isakov, G. P. Korsakov and others."

Very little technical data is available, however, one can compile a reasonable chronology of torpedo development in the USSR from the data given. More up to date information can be found in volumes of Jane's Underwater Warfare Systems.