000 00289nam a2200121Ia 4500
008 160601s9999 xx 000 0 und d
100 _aMidwinter, Eric
_911107
245 _aSocial environment and the urban school
260 _aLondon
260 _bWardlock
260 _c1972
300 _a48
999 _c3567
_d3567