J.P. Sparks
Pierre, Suzanne, I. Hewson, J.P. Sparks, C.M. Litton, C. Giardina, Peter M. Groffman, and Timothy J. Fahey. 2017. “Ammonia Oxidizer Populations Vary With Nitrogen Cycling Across A Tropical Montane Mean Annual Temperature Gradient”. Ecology 98 (7Suppl 1): 1896 - 1907. doi:10.1002/ecy.1863.