000 00308nam a2200121Ia 4500
008 220201s1989 xx 000 0 eng d
041 _aENG
100 _aI.S: 3261-1980
245 0 _aNETWORKS LINES AND FIELDS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1989
300 _a593
942 _2ddc
999 _c58382
_d58382