000 00300nam a2200121Ia 4500
005 20251007104556.0
008 251006s9999 xx 000 0 und d
100 _aCoates6bR., F.W.
245 0 _aModern communication systems
260 _a1st.ed | .London Macmillan
260 _c1975
942 _cBOK
999 _c10239
_d10239