00520ntaaa2200181   45000030003000000050017000030080021000200400037000410820014000781000024000922450084001162500010002002600053002103000011002636500017002746500028002917000019003190120251027201011.00714s1973  ag    01   aAR-BaBNbspacAR-BaBNeaacrdRIC  a136.7 B57  aBlair, Arthur Witt   aGrowth and development of the preadolescent / cArthur Witt Blair, W. H. Burton  a1 ed.  as.l. : bAppleton-Century-Crafts, Inc., cc/1951  a221 p.  aAdolescencia  aPsicología del niño  aBurton, W. H.