D. Northup

Overview of area with folded film and spheroids

D. Northup, E. Davis, 2012 .

Overview of small white ?cotton ball? structure on sample

D. Northup, M. Medina, 2012 .

Web of filaments

D. Northup, 2008 .

Microbiology and geochemistry in a hydrogen-sulphide-rich karst environment

D. Northup, Penelope J. Boston, Louise D. Hose, 2000 .

The microbial communities of sulfur caves: A newly appreciated geologically driven system on Earth and potential model for Mars

D. Northup, Penelope J. Boston, Louise D. Hose, 2006 .