Feng, Y., Feng, Y. T., & Owen, D. R. J. (2014). Discrete element modelling of large scale particle systems—I: Exact scaling laws. Computational Particle Mechanics, 1(2), pp. 159-168. doi:10.1007/s40571-014-0010-y

Feng, Yuntian, Y. T. Feng, and D. R. J. Owen. "Discrete Element Modelling of Large Scale Particle Systems—I: Exact Scaling Laws." Computational Particle Mechanics 1, no. 2 (2014): 159-168.

Feng, Yuntian, Y. T. Feng, and D. R. J. Owen. "Discrete Element Modelling of Large Scale Particle Systems—I: Exact Scaling Laws." Computational Particle Mechanics 1.2 (2014): 159-168.