Journal of Science and Medicine in Sports: Efect of Post-Exercise Hydrotherapy Water Temperature on Subsequent Exhaustive Running Performance in Normothermic conditions, http://www.ncbi.nlm.nih.gov/pubmed/23246445
Jeff Galloway: Clothing Thermometer, http://www.jeffgalloway.com/training/tips_archives/seasonal.html
Runners World: 10 Tips for running in the Cold, http://www.runnersworld.com/running-tips/10-tips-running-cold?page=single
Active: 4 Cold-Weather Running Tips for Beginners, http://beta.active.com/running/articles/4-coldweather-running-tips-for-beginners
Dr. Pributs: Running in the Cold, http://www.drpribut.com/sports/spcold.html
Fitday: Five Tips for Running in the cold, http://www.fitday.com/fitness-articles/fitness/exercises/five-tips-for-running-in-the-cold.html