The USSR - its economic geographic and administrative division
английский/The USSR - its economic geographic and administrative division / N. F. Aron ; USSR Ministry of public health, Central institute for advanced medical training, WHO International course on organization of public health.The USSR - its economic geographic and administrative division / N. F. Aron.The USSR - its economic geographic and administrative division.М./[s. n.]/, 1970 ( ). - [s. n.], 1970. - [2], 28 с. ; 20 см см.The USSR - its economic geographic and administrative division. М., 1970 .Э2-10/[У049(2)]/П5-106/