TY  - BOOK
AU  - Petersen,Richard
TI  - Ubuntu: the complete reference 
SN  - 0071598464 (alk. paper)
PY  - 2009///
CY  - New York
PB  - McGraw-Hill
KW  - Ubuntu (Electronic resource)
KW  - Operating systems (Computers)
N1  - Includes index
ER  -