000 00321nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a621
082 _b381 BU
100 _a"Buckwalter,Len"
245 0 _aElectronics Experiments
260 _aNew York
260 _bHoward W. Sams
260 _c1972
300 _a127
999 _c28259
_d28259