| https://archive.lib.msu.edu/tic/gcman/article/2019[...] | 02/04/2020 | PDF Reader | | Item is within a single large file; Direct download |
| https://lscpagepro.mydigitalpublication.com/public[...] | 10/07/2019 | JavaScript | | Item is within a single large file |
| https://cdn.coverstand.com/61389/613849/837d78fed6[...] | 10/07/2019 | PDF Reader | | Item is within a single large file |
| https://www.gcmonline.com/course/environment/news/[...] | 10/07/2019 | | | Variant title "Plant biostimulants: Establishing standards: Turf scientists offer an overview of biostimulants, Europe's recently proposed research-based regulations, and key considerations for superintendents when considering a biostimulant"; Variant pictures |
