^Heinrikson, R.L. & Goldwasser, E. (1964). „Studies on the biosynthesis of 5-ribosyluracil 5′-monophosphate in Tetrahymena pyriformis”. J. Biol. Chem. 239: 1177—1187. PMID14165924.
^Matsushita, T. & Davis, F.F. (1971). „Studies on pseudouridylic acid synthetase from various sources”. Biochim. Biophys. Acta. 238: 165—173. PMID4936431.
^Rensen, J.F., Matsushita, T., Chirikjian, J.G. and Davis, F.F. (1972). „Enzymatic synthesis of deoxypseudouridylic acid and a study of certain of its properties”. Biochim. Biophys. Acta. 281: 481—487. PMID4569284.CS1 одржавање: Вишеструка имена: списак аутора (веза)
^Suzuki, T. & Hochater, R.M. (1966). „On the biosynthesis of pseudouridine and of pseudouridylic acid in Agrobacterium tumefaciens”. Can. J. Biochem. 44: 259—272. PMID5942965.