Zevgolis, I. E., Theocharis, A. I., Deliveris, A. V., Koukouzas, N. C., Roumpos, C., & Marshall, A. M. (2021). Geotechnical Characterization of Fine-Grained Spoil Material from Surface Coal Mines. Journal of Geotechnical and Geoenvironmental Engineering, 147(7), Article 04021050. https://doi.org/10.1061/%28asce%29gt.1943-5606.0002550