TY  - BOOK
AU  - Walkenbach, John
TI  - Excel 2007 formulas
SN  - 9780470044025
SN  - 200792000
U1  - 005.54EX WAL 
PY  - 2007///
CY  - Indianapolis, IN
PB  - Wiley Pub
KW  - Electronic spreadsheets
KW  - Formules (exacte wetenschappen)
KW  - Microsoft Excel
KW  - Microsoft Excel (Computer file)
KW  - Tableurs
N1  - Includes index. Companion CD-ROM contains example files and an electronic version of the book
ER  -