[Problems of the birth rate in the reports of the Soviet demographers at the 2nd World-Wide Conference on Population Problems].
D001723:Birth Rate; D003710:Demography; D006801:Humans; D011158:Population Growth; D014586:USSR
Voprosy rozhdaemosti v dokladakh Sovetskikh demografov na II Vsemirnoĭ konferentsii po voprosam narodonaseleniia.