Street-Perrott, A., Street-Perrott, F. A., & Barker, P. A. (2008). Biogenic silica: A neglected component of the coupled global continental biogeochemical cycles of carbon and silicon. Earth Surface Processes and Landforms, 33(9), pp. 1436-1457. doi:10.1002/esp.1712

Street-Perrott, Alayne, F. Alayne Street-Perrott, and Philip A. Barker. "Biogenic Silica: A Neglected Component of the Coupled Global Continental Biogeochemical Cycles of Carbon and Silicon." Earth Surface Processes and Landforms 33, no. 9 (2008): 1436-1457.

Street-Perrott, Alayne, F. Alayne Street-Perrott, and Philip A. Barker. "Biogenic Silica: A Neglected Component of the Coupled Global Continental Biogeochemical Cycles of Carbon and Silicon." Earth Surface Processes and Landforms 33.9 (2008): 1436-1457.