S. G. Wakeham, McNichol, A. P., Kostka, J. E., and Pease, T. K.,
“Natural-abundance radiocarbon as a tracer of assimilation of petroleum carbon by bacteria in salt marsh sediments”,
Geochimica Et Cosmochimica Acta, vol. 70, no. 7, pp. 1761-1771, 2006.