000			00330pam a2200157a 44500
008			230515b1996 xxu||||| |||| 00| 0 eng d
020			_aNULL
041			_aENGLISH
082			_aN.D.
100			_aBlack U.
245			_aComputer Network
250			_a0
260			_aNULL _bPHI Pub. _c1996
300			_a436
650			_aNULL
999			_c577513 _d577513