RT Journal Article SR Electronic(1) A1 Williams, Marion AYR 1959 T1 Some Problems in the Identification and Classification of Species of Spirillum II. Later Taxonomy of the Genus Spirillum JF International Journal of Systematic and Evolutionary Microbiology, VO 9 IS 3 SP 137 OP 157 DO https://doi.org/10.1099/0096266X-9-3-137 PB Microbiology Society, SN 1466-5034, AB , UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/0096266X-9-3-137