@Inproceedings{EPTCS1.12, author = {Lafitte, Gr\'egory}, year = {2009}, title = {Busy beavers gone wild}, editor = {Neary, Turlough and Woods, Damien and Seda, Tony and Murphy, Niall}, booktitle = {{\rm Proceedings International Workshop on} The Complexity of Simple Programs, {\rm Cork, Ireland, 6-7th December 2008}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {1}, publisher = {Open Publishing Association}, pages = {123-129}, doi = {10.4204/EPTCS.1.12}, }