000 00519nam a2200181 4500
001 0000001611
008 231029s9999 xx 000 0 und d
020 0 0 _a081262409602
_cRM15.95
040 _aPOLIMAS
090 0 0 _a621.385
_bTAL
100 1 0 _aTalley, David
245 1 0 _aBasic electronic switching for telephone systems /
_cDavid Talley
250 0 0 _a2nd.ed.
260 0 0 _aIndianapolis
_bHayden Books
_c1987
300 0 0 _a312p.
_bill.
_c24cm.
504 0 0 _aIncludes index
650 0 0 _aTelecomunications
_xTechnological
999 _c4803
_d4803