RT Journal Article SR Electronic(1) A1 GORDON, RUTH E.YR 1978 T1 A Species Definition JF International Journal of Systematic and Evolutionary Microbiology, VO 28 IS 4 SP 605 OP 607 DO https://doi.org/10.1099/00207713-28-4-605 PB Microbiology Society, SN 1466-5034, AB A definition of a microbial species, slowly evolved during years of work with many strains, is presented and explained., UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/00207713-28-4-605