Author: Nauchno-tekhnicheskoe soveshchanie po voprosam stroitelʹstva i ėkspluatat͡sii gornykh predprii͡atiĭ na mestorozhdenii͡akh poleznykh iskopaemykh so slozhnymi gidrogeologicheskimi i inzhenerno-geologicheskimi uslovii͡ami (1957 Moscow, Russia)