The .pdf is an image. The following are the references:<p>Crunch in the game industry<p>* <a href="http://www.igda.org/why-crunch-modes-doesnt-work-six-lessons" rel="nofollow">http://www.igda.org/why-crunch-modes-doesnt-work-six-lessons</a> (updated)<p>* <a href="http://www.infoq.com/news/2008/01/crunch-mode" rel="nofollow">http://www.infoq.com/news/2008/01/crunch-mode</a><p>Best team size<p>* <a href="http://knowledge.wharton.upenn.edu/article.cfm?articleid=1501" rel="nofollow">http://knowledge.wharton.upenn.edu/article.cfm?articleid=150...</a><p>* <a href="http://www.teambuildingportal.com/articles/systems-approaches/teamperformance-teamsize.php" rel="nofollow">http://www.teambuildingportal.com/articles/systems-approache...</a><p>Sleep and problem solving<p>* <a href="http://www.cnn.com/2004/HEALTH/01/21/sleep.crativity.ap/index.html" rel="nofollow">http://www.cnn.com/2004/HEALTH/01/21/sleep.crativity.ap/inde...</a> (broken)<p>Sickness and Overtime correlation<p>* <a href="http://cat.inist.fr/?aModele=afficheN&cpsidt=15461524" rel="nofollow">http://cat.inist.fr/?aModele=afficheN&cpsidt=15461524</a><p>Prioritization<p>* <a href="http://en.wikipedia.org/wiki/First_Things_First_(book)" rel="nofollow">http://en.wikipedia.org/wiki/First_Things_First_(book)</a><p>4 day work week<p>* <a href="http://findarticles.com/p/articles/mi_m1093/is_1_42/ai_53697784" rel="nofollow">http://findarticles.com/p/articles/mi_m1093/is_1_42/ai_53697...</a><p>* <a href="http://rop.sagepub.com/cgi/reprint/28/2/166" rel="nofollow">http://rop.sagepub.com/cgi/reprint/28/2/166</a> (subscription required)<p>* From <a href="http://www.shrm.org/Education/hreducation/Documents/Creating%20a%20Flexible%20Workplace_Final.pdf" rel="nofollow">http://www.shrm.org/Education/hreducation/Documents/Creating...</a> (pdf)<p>Team spaces<p>* "Rapid Software Development through Team Collocation" IEEE Transactions on Software Engineering, Volume 28, No. 7, July 2002
In summary, use cross functional teams of < 10, seated in closed team rooms, working 40hrs/week, scheduled to 80% workload, and if you need to crunch, start 4 weeks from the deadline and prepare to lose out afterwards.