Randal L. Schwartz, Brian D. Foy, Tom Phoenix. Intermediate Perl - Beyond the Basics of Learning Perl: Covers Perl 5.14 (2. ed.). O'Reilly, 2012. [doi]
@book{0029575, title = {Intermediate Perl - Beyond the Basics of Learning Perl: Covers Perl 5.14 (2. ed.)}, author = {Randal L. Schwartz and Brian D. Foy and Tom Phoenix}, year = {2012}, url = {http://www.oreilly.de/catalog/9781449393090/index.html}, researchr = {https://researchr.org/publication/0029575}, cites = {0}, citedby = {0}, publisher = {O'Reilly}, isbn = {978-1-449-39309-0}, }