000 00367nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a510
_bYOU
100 _aYoung, Brian.
245 0 _aIn to secondary school
260 _aLondon :
_bNuffield Foundation,
_c1970.
300 _aXVIII, 475 ;
365 _a0.00
650 _aMathematical Sciences
999 _c9729
_d9729