Grissom, Carol A., Vicenzi, Edward P., Livingston, Richard A., Aloiz, Emily, Little, Nicole C., Giaccai, Jennifer A., and Freedman, Willa. 2014. "
Manganese in Black Crusts on Seneca Sandstone."
Microscroscopy and Microanalysis, 20, (3).
https://doi.org/10.1017/S1431927614011957.