000 003150000a22001210004500
100 _a
_aCondliffe
_bJ.B.
245 _a Economic pattern of world population
260 _a
_b
_aWashington
_bNational Planning Association
_cUS
260 _c
_a1943
300 _a
_a54p.
041 _a <En>
082 _a 312/CON
650 _a <Demography>
999 _c22378
_d22378