http://sturf.lib.msu.edu/article/2016dec.pdf#page=30 | 02/07/2017 | PDF Reader | | Item is within a single large file |
http://read.dmtmag.com/i/753045-december-2016/30 | 01/18/2017 | Adobe Flash | | Item is within a single large file |
http://sportsturfonline.com/2017/01/17/turf-relate[...] | 01/26/2017 | | | Variant pictures |