000 00323nam a22001337a 4500
005 20210916094532.0
008 210916b ||||| |||| 00| 0 eng d
041 _aeng
100 _aRyder John D
_9374
245 _aNetworks lines and fields
260 _aNew Delhi
_bPrentice Hall
_c1990
300 _a593p.
942 _cBK
999 _c127406
_d127406