000 00347nam a2200145Ia 4500
040 _cPK-LaCSN
082 _a510
_b"Thones Nelson"
100 _a"Thones Nelson"
245 0 _aBe a mathematical beam
260 _bNelson Thornes
_aGlucestershire
300 _a80
942 _cTB
999 _c847819
_d847796