References:

Frink, C.R. 1991. Estimating nutrient exports to estuaries. J. Environ. Qual. 20(4): 717–724.

Donigian, A.S. 2002. Watershed model calibration and validation: The HSPF experience. Mountain View, CA: AQUA TERRA Consultants.

Lake Kissimmee TMDL report linked here: https://floridadep.gov/dear/water-quality-evaluation-tmdl/content/final-tmdl-reports

Thanks,
Woo-Jun