00305nam a2200121Ia 4500003000400000020001500004040000800019082001900027100002200046245006000068260004000128300001500168LDD  a0534038557  cLDD  a155.401 T366 C  aThomas, R. Murray 0aComparing theory of child developmentcR. Murray Thomas  aBelmontbWadsworth Publishingc1985  axvii,478p.