| https://archive.lib.msu.edu/tic/wetrt/article/2019[...] | 07/11/2022 | PDF Reader | | Item is within a single large file |
| https://cdn.coverstand.com/59757/632644/82f8b7b89a[...] | 12/06/2019 | PDF Reader | | Item is within a single large file |
| https://www.landscapemanagement.net/humates-and-bi[...] | 12/06/2019 | JavaScript | | Variant title "Humates and biochars: Better soil, less toil"; Variant pictures |
| https://editions.mydigitalpublication.com/display_[...] | 12/06/2019 | JavaScript | Item is within a limited-access website | |
| https://editions.mydigitalpublication.com/publicat[...] | 12/06/2019 | JavaScript | Item is within a limited-acess website | Item is within a single large file |
