| Turfgrass Seed for the Nordic Countries 2019-2020
| Aamlid, Trygve S. 2019. Stockholm, Sweden: Scandinavian Turfgrass and Environment Research Foundation, STERF. [29] pp. | More ⪪ | 308109 |
| Turfgrass Seed for the Nordic Countries 2017-2018 (Sorter av Plengras for Norge)
| Aamlid, Trygve S. 2017. Stockholm, Sweden: Scandinavian Turfgrass and Environment Research Foundation, STERF. [30] pp. | More ⪪ | 289917 |
| Sorter af Plænegræs til Danmark 2017-2018 ([Varieties of Lawn Grass for Denmark])
| Aamlid, Trygve S. 2017. Stockholm, Sweden: Scandinavian Turfgrass and Environment Research Foundation, STERF. [22] pp. | More ⪪ | 291764 |
| Turfgrass Seed for the Nordic Countries 2015
| Aamlid, Trygve S. 2015. Stockholm, Sweden: Scandinavian Turfgrass and Environment Research Foundation, STERF. [27] pp. | More ⪪ | 308484 |
| Sorter för Grönytor i Sverige 2013 (Nurmikkosiemenet Suomi 2013)
| Aamlid, Trygve S. 2013. Stockholm, Sweden: Scandinavian Turfgrass and Environment Research Foundation, STERF. [28] pp. | More ⪪ | 289924 |