00382cam a2200133 a 4500020001700000050001200017245006100029260006400090300002100154650001600175650001600191700001900207700002200226  a0631139753 :00aHB849.404aThe State of population theory :bforward from Malthus /  aOxford, OX, UK ;aNew York, NY, USA :bB. Blackwell,c1986.  a311 p. :bill. ; 0aPopulation. 0aDemography.1 aColeman, D. A.1 aSchofield, Roger.