@misc{barker_overcash_2007, title={Swine waste characterization: A review}, volume={50}, number={2}, journal={Transactions of the ASABE}, author={Barker, J. C. and Overcash, M. R.}, year={2007}, pages={651–657} } @inproceedings{cheng j._j._k. d._j. c._k. f._saele_2000, title={Evaluation of alternative swine waste treatment systems in comparison with traditional lagoon system}, ISBN={1892769115}, booktitle={Animal, agricultural and food processing wastes : proceedings of the eighth international symposium : October 9-11, 2000 : Des Moines, Iowa}, publisher={St. Joseph, Mich. : American Society of Agricultural Engineers}, author={Cheng J., Pace and J., Zering and K. D., Barker and J. C., Roos and K. F. and Saele, L. M.}, year={2000}, pages={679} } @article{williams_barker_sims_1999, title={Management and utilization of poultry wastes}, volume={162}, DOI={10.1007/978-1-4612-1528-8_3}, number={1999}, journal={Reviews of Environmental Contamination and Toxicology}, author={Williams, C. M. and Barker, J. C. and Sims, J. T.}, year={1999}, pages={105–157} } @inproceedings{cheng_stomp_classen_barker_bergmann_1998, title={Nutrient removal from swine wastewater with growing duckweed}, volume={984122}, DOI={10.13031/2013.2701}, booktitle={The 1998 ASAE annual international meeting : the imaginative world of engineering ... engineering solutions for tomorrow ; Orlando, Florida July 11-16, 1998}, author={Cheng, J. and Stomp, A-M and Classen, J. J. and Barker, J. C. and Bergmann, B. A.}, year={1998} }