000 00262nam a2200121Ia 4500
020 _a08769229910
100 _aJohn D Ryder
245 _aNetworks, Lines and Fields
250 _a2
260 _c1986
_bPRENTICE HALL
_aNew Delhi
300 _axi+593
942 _cBK
999 _c10470
_d10470