RT Journal Article SR Electronic(1) A1 BUCHANAN, R. E.YR 1970 T1 Limitation of validity of publication of names of taxa of bacteria before 1950 JF International Journal of Systematic and Evolutionary Microbiology, VO 20 IS 3 SP 333 OP 333 DO https://doi.org/10.1099/00207713-20-3-333 PB Microbiology Society, SN 1466-5034, AB , UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/00207713-20-3-333