1. Taxonomische Untersuchungen an Pirellula spp;Bartels,1989
2. Ecology and physiology of soil microorganisms in polar regions;Boyd;Sympos. on Pacific — Antarctic Sciences, Proceed.,1967
3. Antarctic soil microbial and ecological investigations;Cameron;Research in Antarctica,1971
4. Kinetic studies of pigment synthesis by non-sulphur purple bacteria;Cohen-Bazire;J. Cell. Comp. Physiol.,1957
5. Psychrophilic myxobacteria from antarctic soils;Dawid;Polarforsch.,1988