...IUSSP, Contributed Papers, Sydney Conference, Australia, Canberra, l967, 245-255. /25/ MAZUR (Denis P.) : "Birth control and regional differentials in the Soviet Union", Population Studies, 22, 3, 1968, 319-333. /26/ MITTELBACH (FG) and MOORE (j W. ) : "Ethnic endogamy : the case of Mexican...
Mazur, P. Birth control and regional differentials in the Soviet Union. 