000 00283nam a2200097Ia 4500
008 170707s9999 xx 000 0 und d
050 _a621.38 R332
245 0 _a"Reference data for engineers: radio, electronics, computer and communication"
260 _c1993
942 _2lcc
_cBK
_kCirc.
999 _c14821
_d14821