00327pam a2200145a 44500008004100000020000900041041001200050082000900062100001500071245003300086250000600119260003900125300000800164650000900172230515b1996    xxu||||| |||| 00| 0 eng d  aNULL  aENGLISH  aN.D.  aGowar John  aOptical Communication System  a0  aNULLbPrentice Hall of Indiac1996  a696  aNULL