Kepner RL, Coats DW, Wharton, Jr. RA. Ciliated protozoa of two antarctic lakes: analysis by quantitative protargol staining and examination of artificial substrates. Polar Biology. 1999;21:285-294.

Moorhead DL, W. Davis S, Wharton, Jr. RA. Carbon dynamics of aquatic microbial mats in the Antarctic dry valleys:  A modelling synthesis. In:  Ecosystem Processes in Antarctic Ice-free Landscapes. Ecosystem Processes in Antarctic Ice-free Landscapes. Balkema Press, Rotterdam; 1997:181-196.