00355nam a2200145Ia 4500008004100000041000800041082001900049100001500068245003000083250001200113260002700125300002700152365001500179700001500194230719s9999    xx            000 0 und d  aeng  a621.319'2bRYD  aRyder J.D.  aNetworks Lines And Field.  a2nd ed.  bPrentice Hall Of India  a593dRef 750 E (19373)  cRs.b12.00  aRyder J.D.