LEADER 00000nam 2200241 a 4500 001 0043808 003 UkHlHU 007 t 008 003006 0 1973 000 eng 040 UkHlHU 050 4 HB 891 N5 110 2 National Bureau of Economic Research. 245 10 New economic approaches to fertility :|ba conference June 8-9, 1972. 260 Chicago, Ill. :|bUniversity of Chicago Press,|c1973. 300 299p. 650 0 Population theory. 650 0 Demography. 650 0 Fertility, Human. 700 1 Schultz, Theodore William. 710 2 Population Council, New York. 946 020 absent -- ISBN check required
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