Calhoun, A., M.A. McGarry and A.S. Reeve. 2003. Wetland Connections: Linking University Researchers and High School Teachers to Advance Science Education and Wetland Conservation. Journal of Geoscience Education. 51:387-397.
Chen, Z., Jin, Z.-H., and Johnson, S.E., 2011. Transient dike propagation and arrest near the level of neutral buoyancy. Journal of Volcanology and Geothermal Research, 203, 81-86.