Susan Ziegler
Billings, Sharon A., Susan E. Ziegler, William H. Schlesinger, Ronald Benner, and Daniel de B. Richter. 2012. “Predicting Carbon Cycle Feedbacks To Climate: Integrating The Right Tools For The Job”. Eos, Transactions American Geophysical Union. doi:10.1029/2012EO190007.
Lichter, J., Sharon A. Billings, Susan E. Ziegler, D. Gaindh, R. Ryals, A.C. Finzi, R.B. Jackson, E.A. Stemmler, and William H. Schlesinger. 2008. “Soil Carbon Sequestration In A Pine Forest After 9 Years Of Atmospheric Co2 Enrichment”. Global Change Biol. 14: 2910-2922.