RT Book, Section SR 00 A1 Oeberg, S. T1 Spatial and economic factors in future south-north migration YR 1996 FD 1996 SP 500 A2 Lutz, W. T2 The Future Population of the World: What Can We Assume Today? PB Earthscan PP London SN 1853833495 AV Published LK https://pure.iiasa.ac.at/id/eprint/4699/