O'Reilly Media, 2007.
ISBN 978-0596529260
+- [[[Friedl97]]] Jeffrey E. F. Friedl.
+ 'Mastering Regular Expressions'.
+ O'Reilly & Associates, 2006.
+ ISBN 978-0596528126
+
- [[[Mauerer08]]] Wolfgang Mauerer.
'Professional Linux Kernel Architecture'.
John Wiley & Sons, 2008.