1. Allen R. G. 2006. Footprint analysis to assess the conditioning of temperature and humidity measurements in a weather station vicinity. ASCE-EWRI 2006 Annual Meeting. CD.
2. ASBS. 2006. ASBS-Buyer's guide for synthetic turf field construction. http://sportsbuilders.org/page.php?id=748&from%5B%5D=678. Accessed on Dec. 14 2006.
3. Astroturfusa. 2006. http://www.astroturfusa.com/. Accessed on June 19 2006.
4. Athleticturf. 2006. Ohio high school chooses synthetic over natural turf. http://www.athleticturf.net/athleticturf/article/articleDetail.jsp?id=364332. Accessed on Dec. 14 2006.
5. Azstarnet. 2006. $1M fake-grass sports field going in at Tucson High. March 22 2006. http://www.azstarnet.com. Accessed on March 22 2006.