000 00373nam a2200181Ia 4500
008 221105s9999 xx 000 0 und d
041 _aENGLISH
082 _a621.38502
082 _bDAS
100 _aDAS PN
245 0 _aLINE TELEGRAPHY
260 _bNIL
260 _c1981
300 _a205
650 _aELECTRONICS
650 _bTELECOMMUNICATION
942 _cBK
999 _c6644
_d6644