000 00354pam a2200133a 44500
008 160408b1980 xxu||||| |||| 00| 0 eng d
082 _a621.3851
_bB38p
100 _aBear, Donald
245 1 _aPRINCIPLES OF TELECOMMUNICATION-TRAFFIC ENGINEERING
260 _aLondon
_bPeter Peregrinus
_c1980
300 _a230
964 _gCIRC
997 _aA71627 C
999 _c299464
_d299464