https://www.sciencedirect.com/science/article/pii/S0168169919303874
Root identification in minirhizotron imagery with multiple instance learning (2020)
https://link.springer.com/article/10.1007/s00138-020-01088-z
Age-related changes in survival and turnover rates of balsam fir fine roots (2018)
https://academic.oup.com/treephys/article/38/6/865/4857213