AU - ALTMAN,REBECCA BRIDGES TI - UNDERSTANDING 1-2-3, RELEASE 2.3 SN - 0895888564 U1 - 006.6/ALT PY - 1991/// CY - CALIFORNIA, USA PB - SYBEX, INC. KW - 1-2-3 KW - COMPUTER GRAPHICS KW - SPREADSHEETS KW - DATABASES KW - MACROS ER -