RT Journal Article SR Electronic(1) A1 PETZEL, JAMES P. A1 HARTMAN, PAUL A. A1 ALLISON, MILTON J.YR 1990 T1 Pyrophosphate-Dependent Enzymes in Walled Bacteria Phylogenetically Related to the Wall-Less Bacteria of the Class Mollicutes JF International Journal of Systematic and Evolutionary Microbiology, VO 40 IS 1 SP 109 OP 109 DO https://doi.org/10.1099/00207713-40-1-109 PB Microbiology Society, SN 1466-5034, AB , UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/00207713-40-1-109