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[Beattie] Beattie, Malcolm. B::Lint. Comprehensive Perl Archive Network
, http://search.cpan.org/~nwclark/perl-5.8.8/ext/B/B/Lint.pm, Perl.org (2011).
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[Conway 2005] Conway, Damian. Perl Best Practices, O'Reilly Media, 2005, ISBN: 978-0596001735.
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[IMS 2010] Imaginative Software Systems. Perl::Critic, v. 1.116. Comprehensive Perl Archive Network, http://www.cpan.org, Perl.org (2011).
<ac:structured-macro ac:name="anchor" ac:schema-version="1" ac:macro-id="97302b4b-3e21-47fe-af18-40d156069f4e"><ac:parameter ac:name="">Open Group 08</ac:parameter></ac:structured-macro>
[Open Group 08] IEEE. The Open Group Base Specifications Issue 7, IEEE Std 1003.1, 2008 edition.
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[Wall 2011] Wall, Larry. Perl 5 version 14.1 Manual Pages, http://perldoc.perl.org/ (1995-2011).