000 00281nam a2200109Ia 4500
100 _aFyrth, H.J. and Goldsmith, Maurice
942 _cBK
245 _aScience, history and technology, book 2
260 _aCassell & company ltd, London
_c1969
082 _a500 Fyr/Gol
300 _ax, 89
999 _c6352
_d6352