000 00357nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a23071508
082 _a620
082 _b2854
100 _a"Beakley, George C"
245 0 _a"Computation, Calculators"
260 _aNew York
260 _bMacMillan Pub.
260 _c1983
300 _a"XII, 334"
999 _c23446
_d23446