00444cam a2200181 a 4500001000800000005001700008008004100025010001700066020001500083040001800098041000800116080001800124082002200142100000700164101000800171245005300179504003000232420790720180221070456.0820910s1982    enk      b    000 0 eng    a   81068983   a012155080X  aDLCcDLCdDLC  aeng  a304.63401 CAL00a304.63401 CAL2191 a50  aSOC10aTheory of fertility decline /cJohn C. Caldwell.  aBibliography: p. 369-386.