000 00500nam a2200229Ia 4500
008 140520s9999||||xx |||||||||||||| ||und||
020 _a014 082703 X
082 _a530.07
082 _bP.T.G.
245 _aTeachers' Guide Unit Three : Field And Potential
260 _aLondon
260 _bPenguin Books
260 _c1971
300 _a119
300 _bpb
300 _c6x8
350 _a0
365 _b0
365 _dRuppes
440 _aNuffield Advanced Science
440 _v3
999 _c56433
_d56433