00486nam a22001571a 4500003000600000005001700006008004100023020001500064100002000079245009700099260003400196300001400230500003700244650001600281650003100297NEGST20110718131226.0030618s1981    ilu           001 0 eng d  a02260607381 aBoserup, Ester.10aPopulation and technological change :ba study of long-term trends /cEster Boserup.h[Text]  aChicagobU. of Chicagocc1981  axi, 255p.  aIncludes bibliography and index. 0aPopulation. 0aTechnological innovations.