000 00444nam a2200133Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
020 _a0-7100-3361-3
100 _aCoontz Sydney H
245 _aPopulation theories and the economic interpretation
260 _aLondon
_bRoutledge and KeganPaul
_c1961
300 _aVII,200p;22cm
650 _aDemography
999 _c21099
_d21099