000 00368nam a22000857a 4500
008 220503s1971 us ||||| |||| 00| 0 eng d
100 _aHill, John P.
_9234761
245 _aMinnesota Symposia on Child Psychology :
_bVolume 5 /
_cJohn P. Hill; University of Minnesota. Institute of Child Development.
264 _aMinneapolis [Minn.] :
_bUniversity of Minnesota Press,
_c1971.
999 _c591386
_d591384