TY  - BOOK
AU  - Knittel, Brian
AU  - McFedrties, Paul
TI  - Windows 8.1 in depth
SN  - 978-93-325-4029-3
U1  - 005.446 
PY  - 2015///
CY  - New Delhi
PB  - Pearson
KW  - Operation system
KW  - Computer Science
ER  -