Cudny, H. and Deutscher, M.P. (1988). „3′ processing of tRNA precursors in ribonuclease-deficient Escherichia coli. Development and characterization of an in vitro processing system and evidence for a phosphate requirement”. J. Biol. Chem.263: 1518-1523. PMID3275667.
Deutscher, M.P., Marshall, G.T. and Cudny, H. (1988). „RNase PH: an Escherichia coli phosphate-dependent nuclease distinct from polynucleotide phosphorylase”. Proc. Natl. Acad. Sci. USA85: 4710-4714. PMID2455297.