00369nam a2200133 a 4500008004100000050001500041100002100056245005600077250001200133260004100145300002200186350000900208700001800217120416s1983    ||||||||||||||||| ||    u  aT 58.6 Bur  aGrudnitski, Gary10aInformation systems: theory and practice. (3rd ed.)  a3rd ed.  aNew York:bJohn Wiley and Sonsc1983  axvi, 632p. : ill.  a0.00  aBurch, John G