TY  - BOOK
AU  - Shelly, Gary B. 
AU  - Enger, Raymond E.
AU  - Freund, Steven M.
TI  - Microsoft Windows 7 : introductory 
T2  - Shelly Cashman series
SN  - 9781439081051 
U1  - 005.446 SHE 2011 
PY  - 2011///
CY  - Boston, MA
PB  - Course Technology
KW  - Operating systems (Computers)
ER  -