000 00351nam a2200145Ia 4500
020 _a0431007470
082 _b1670
_a500
100 _a"Sauvain, Philip"
245 0 _aLight: The Way It Works
260 _bHeineman Educational Books
_aOxford
_c1991
300 _a48
944 _cBK
999 _c474015
_d474015