H.  Pi, Huggins, D. R., Webb, N. P., and Sharratt, B., ?Comparison of soil-aggregate crushing-energy meters?, Aeolian Research, vol. 42, 2020.

H.  Pi, Webb, N. P., Huggins, D. R., and Sharratt, B., ?Critical standing crop residue amounts for wind erosion control in the inland Pacific Northwest, USA?, CATENA, vol. 195, 2020.