] , “DNA-DNA solution hybridization studies of the bacterial symbionts of hydrothermal vent tube worms (Riftia pachyptila and Tevnia jerichonana)”, Applied and Environmental Microbiology, vol. 57, pp. 1082–1088, 1991.
, “The gill symbiont of a hydrothermal vent mussel, Bathymodiolus thermophilus, is a psychrophilic, chemoautotrophic sulfur bacterium”, Marine Biology, vol. 121, pp. 487–495, 1995.