00610cam a2200217 i 45000010008000000030004000080050017000120080041000290100017000700200025000870400018001120500015001300820018001451000021001632450060001842600039002443000035002835000022003185040030003406500022003701827416OSt20190827114150.0801107s1981    mnua     b    001 0 eng    a   80027089   a0829903682 :c$18.95  aDLCcDLCdDLC00aBF713b.D900a155.4 DWO2191 aDworetzky, John.10aIntroduction to child development /cJohn P. Dworetzky.  aSt. Paul :bWest Pub. Co.,cc1981.  axxvi, 608 p. :bill. ;c26 cm.  aIncludes indexes.  aBibliography: p. 575-594. 0aChild psychology.