000 00328nam a2200133Ia 4500
008 220201s1966 xx 000 0 eng d
041 _aENG
100 _aRYDER, JOHN D
245 0 _aNETWORKS, LINES AND FIELDS
250 _a2ND
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1966
300 _a593
942 _2ddc
999 _c44295
_d44295