J Bacteriol. 1959 May;77(5):559-65.
Observations on Spirillum sputigenum and its relationship to Selenomonas species with special reference to flagellation.
MACDONALD JB, MADLENER EM, SOCRANSKY SS.
PMID: 13654218 [PubMed - indexed for MEDLINE]
PMCID: PMC290421