000 00260nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
041 _aeng
082 _a621.381 548 N68 TUM
100 _aTUMER RUFUR P
245 _aBRIDGES AND OTHER NULL DEVICES
300 _a143
999 _c9206
_d9206