00684nam a2200265   4500001000800000005001700008007000400025008000500029010001700034015001400051040001900065050001600084082001100100100002600111245005800137260003400195300002100229350001600250490002900266504002900295650002200324906004500346942001200391999001500403178085620150610090910.0000000   a   77363929   aB68-23941  aUOELcDLCdDLC00aBF721b.L5900a155.411 aLovell, K.q(Kenneth)13aAn introduction to human developmentc[by] K. Lovell.  aLondon ;bMacmillan ,cc1968.  a132 p. :c22 cm.  a11/- (pbk.)0 aBasic books in education  aIncludes bibliographies. 0aChild psychology.  a7bcbccorignewduencipf19gy-gencatlg  2lcccLL  c9869d9869