000 00266nam a2200121Ia 4500
008 211209s1967 xx 000 0 und d
041 _aeng
082 _a621.381 N67 RYD/JOH
100 _aRYDER
245 _aENGINEERING ELECTRONICS
260 _c1967
300 _a690
999 _c4196
_d4196