James Wayne Howard

Cheng, J., Landesman, L., Bergmann, B., Classen, J. J., Howard, J. W., & Yamamoto, Y. T. (2002). Nutrient removal from swine lagoon liquid by Lemna minor 8627. Transactions of the ASAE, 45(4), 1003–1010. https://doi.org/10.13031/2013.9953

Cheng, J., Bergmann, B. A., Classen, J. J., Stomp, A. M., & Howard, J. W. (2000). Nutrient removal from swine wastewater by duckweed - Spirodela punctata. Industrial wastewater and envrironmental contaminants : proceedings of the 1st World Water Congress of the International Water Association, held in Paris, France, 3-7 July 2000, 1.