RT Journal Article SR Electronic(1) A1 Ciferri, R.YR 1959 T1 Systematic vs. Classificatory Taxonomy and Speciology of the Actinomycetales* JF International Journal of Systematic and Evolutionary Microbiology, VO 9 IS 2 SP 89 OP 91 DO https://doi.org/10.1099/0096266X-9-2-89 PB Microbiology Society, SN 1466-5034, AB , UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/0096266X-9-2-89