000 00327nam a2200145Ia 4500
020 _a0195643267
082 _bT305
_a510
100 _a"David Rayner","N/A"
245 0 _aMathscope
260 _bNon Basic Stock Line
_c1918
300 _a150
944 _cTB
999 _c514531
_d514531