Townsend, Carl, 1938- Mastering Excel 4 for Windows / [electronic resource] / Carl Townsend.. — San Francisco : : Sybex,, c1992.. — xxxii, 775 p. : : ill. ; 23 cm. Includes quick reference cards at end. Includes index. ISBN: 0782110886 : $29.95 LCCN: 92081036 Subjects--Uniform Titles: Microsoft Excel (Computer file) Subjects--Topical Terms: Business--Computer programs.Electronic spreadsheets. LC Class. No.: HF5548.4.M523 / T683 1992 Dewey Class. No.: 005.369