Gassman, P. W., Williams, J. R., Wang, X., Saleh, A., Osei, E., Hauck, L. M., . . . Flowers, J. D. The agricultural policy/environmental eXtender (APEX) model: An emerging tool for landscape and watershed environmental analyses.

Gassman, P. W., J. R. Williams, X. Wang, A. Saleh, E. Osei, L. M. Hauck, R. C. Izaurralde, and J. D. Flowers. The Agricultural Policy/environmental EXtender (APEX) Model: An Emerging Tool for Landscape and Watershed Environmental Analyses.

Gassman, P. W., et al. The Agricultural Policy/environmental EXtender (APEX) Model: An Emerging Tool for Landscape and Watershed Environmental Analyses.