00395nam a2200133Ia 4500001000500000005001700005008004100022020001500063100002500078245004400103260006300147300002900210650002200239995920261006004224.0120911s9999    xx            000 0 und d  a0131646990  aTanenbaum, Andrew S.  aComputer networks / Andrew S. Tanenbaum  bLondon : Prentice Hall, 1981aLondon : Prentice Hall, 1981  axv, 517 p. illus. 24 cm.  aComputer networks