These are links to some of my articles that are online:

http://archive.lib.msu.edu/tic/gcman/article/1997feb52.pdf  

http://acs.confex.com/acs/nerm05/techprogram/P21048.HTM  

http://www.osti.gov/energycitations/product.biblio.jsp?query_id=0&page=0&osti_id=6286671  

http://www.ces.ncsu.edu/plymouth/septic3/MinnisNutrientsText.pdf