Ping Liang

Liang Ping, B. C. G., Jr., & Bowen, H. D. (1996). Effects of insert edge design and insertion and sealing techniques on soil air permeability measurement. Transactions of the ASAE, 39(4), 1269.

Liang, P., Bowers, C. G., Jr., & Bowen, H. D. (1995). Finite element model to determine the shape factor for soil air permeability measurements. Transactions of the ASAE, 38(4), 997.