000 00278nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a620.72
100 _aJACK GOLTEN
245 0 _aUNDERSTANDING SIGNALS AND SYSTEMS
260 _bM.G.H
365 _b995.00
942 _cBTECH
999 _c137892
_d137892