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Appendices to Income Maintenance Laws and Fertility in the United States

University of Wisconsin--Madison. Institute for Research on PovertyBarry M. PopkinCharles J. CicchettiDavid EleshGlen George CainJames A. SweetJohn S. AkinPeter K. EisingerSandra ChristensenThad W. MirerWilliam A. KleinRobert H. Haveman

出版	University of Wisconsin--Madison, 1972
URL	http://books.google.com.hk/books?id=fpVNvQEACAAJ&hl=&source=gbs_api