Case studies of arrangements for evaluation and utilization of population census results. (United Nations, Department of Economic and Social Affairs, 1959)
Los autores varían en cada volúmen--Al reverso de la potada: "ST/SOA/SER.R/1"--"ST/SOA/SER.R/4, E/CN.9/CONF.2/L.22"--"ST/SOA/SER.R/5, E/CN.9/CONF.2/L.23"