TY - BOOK AU - O'Leary,Timothy J. AU - Williams,Brian K. AU - O'Leary,Timothy J. TI - Computers and information systems SN - 0805369422 U1 - 004 19 PY - 1989/// CY - Redwood City, Calif. PB - Benjamin/Cummings Pub. Co. KW - Computer science and engineering KW - Data processing KW - Office practice- Automation N1 - Includes index; CSE ER -