000 00297nam a2200121Ia 4500
005 20260205042147.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aMARSHALL SYBIL
245 0 _aEXPERIMENT IN EDUCATION
260 _aLOND.
_bCAMBRIDGE UNIVERSITY
_c1963
300 _a222
942 _cBK
999 _c28019
_d28019