000 00252nam a2200097Ia 4500
008 170912s9999 xx 000 0 und d
082 _aNUF/T
100 _aNUFFIELD ADVANCED SCIENCE
245 0 _aTEACHER`S GUIDE UNIT 3 : FIELD AND POTENTIAL
942 _cTB
999 _c44479
_d44479