000 00441nam a2200169Ia 4500
999 _c3145
_d3145
005 20220201134150.0
008 180712s9999 xx 000 0 und d
020 _a521093724
082 _a370
_bMAR
_223
100 _aMARSHALL, Sybil
245 3 _aAn experiment in education
_c/[by] Sybil Marshall
260 _aCambridge
_bCambridge Universisty press
_c1975
300 _a222 p.+ ills.
509 _aNS
650 _aEducation
942 _cS