1. Differences in phosphorus and nitrogen delivery to the Gulf of Mexico from the Mississippi River Basin;Alexander;Environ. Sci. Technol.,2008
2. In Vitro Determination of Chlorophyll a and Pheophytin a in Marine and Freshwater Algae by Fluorescence, Method 445.0, Revision 1.2;Arar,1997
3. The influence of season and of providing a water trough on stream use by beef cattle grazing hill-country in New Zealand;Bagshaw;Appl. Animal Behav. Sci.,2008
4. Periphyton Bioassessment Protocols for Montana Streams;Bahls,1993
5. Rapid Bioassessment Protocols for Use in Streams and Wadeable Rivers: Algal, Benthic Macroinvertebrates, and Fish, EPA 841-B-99-002;Barbour,1999