00371nam a2200109Ia 4500082002400000100004600024245007400070260006800144300000900212500000500221700003500226  a658.380182bB743.MM  aBoskin, Michael J. and Nold, Frederick C.  aMarkov model of turnover in aid-to-families with dependent childrenb  aStanfordbInstitute for Mathematical studies in Soc. Scs.c1974  a32p.  a  aNold, Frederick C. ; jt. auth.