000 00298nam a2200121Ia 4500
008 220201s1978 xx 000 0 eng d
082 _a621.3912
_bRYD
100 _aRyder, john D.
245 0 _aNetworks lines and fields
260 _aNew delhi
_bPrentice hall
_c1978
300 _a593
942 _2ddc
999 _c21511
_d21511