Slater G.F, Nelson R.K, Kile B.M, Reddy C.M.  2006.  Characterizing biodegration and microbial metabolic activity in situ using natural abundance, molecular-level 14C analysis. Organic Geochemistry. 37:981-989.

Nelson R.K, Kile B.M, Plata D.L, Sylva S.P, Xu L., Reddy C.M, Gaines R.B, Frysinger G.S, Reichenbach S.E.  2006.  Tracking the weathering of an oil spill with comprehensive two-dimensional gas chromatography. Environmental Forensics. 7(1):33-44.