000 00285nam a22001097a 4500
082 _a370.15
_bSKI
100 _aSkinner, Charles E Editor
245 _aEducational Psychology /
_cCharles E Skinner Editor
250 _a3rd ed
260 _aLondon
_bStaples Press Ltd
_c1952
942 _cBK
999 _c499726
_d499726