Kolz, A., Moorman, T.B., Ong, S., Scoggin, K.D., Douglass, E.A. 2005. Degradation and metabolite production of tylosin in anaerobic and aerobic swine manure lagoons. Water Environment Research. 77(1):49-56.
Moorman, T.B., Tomer, M.D., Douglass, E.A., Greenan, C.M. 2004. Movement and survival of fecal contaminant indicators in an Iowa watershed. Soil and Water Conservation Society. Available:www.swcs.org.
MOORMAN, T.B., DOUGLASS, E.A. EFFECT OF DISSOLVED ORGANIC CARBON AND PHENOLIC ACIDS ON DENTRIFICATION IN SUBSURFACE SOIL. AMERICAN SOCIETY OF AGRONOMY MEETINGS. 2002. CD-ROM. MADISON, WI.