TY  - GEN
AU  - Preppernau, Joan
AU  - Cox, Joyce
TI  - Windows 7 : step by step
SN  - 9780735626676
PY  - 2010///
CY  - Redmond
PB  - Microsoft Press
KW  - COMPUTER OPERATING SYSTEMS-Microsoft Windows 7
N1  - index included
ER  -