000 00307nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a621
082 _b462 WA
100 _a"Walker, Peter"
245 0 _aDirect Current Motors
260 _aUSA
260 _bTab Book
260 _c1978
300 _a252
999 _c26286
_d26286