J.J.MatosJ.J. i inni, Kinetics of ambuphylline decomposition studied by the incremental isoconversional method, „Journal of Thermal Analysis and Calorimetry”, 123 (2), 2016, s. 1031–1036, DOI: 10.1007/s10973-015-4899-z(ang.).
K.S.K.S.JainK.S.K.S. i inni, The Chemistry and Bio-Medicinal Significance of Pyrimidines & Condensed Pyrimidines, „Current Topics in Medicinal Chemistry”, 16 (28), 2016, s. 3133–3174, DOI: 10.2174/1568026616666160609100410(ang.).
L.L.L.L.KaplanL.L.L.L., Determination of In Vivo and In Vitro Release of Theophylline Aminoisobutanol in a Prolonged-Action System, „Journal of Pharmaceutical Sciences”, 54, 1965, s. 457–458, DOI: 10.1002/jps.2600540326, PMID: 14301582(ang.).
L.L.L.L.KaplanL.L.L.L., Determination of In Vivo and In Vitro Release of Theophylline Aminoisobutanol in a Prolonged-Action System, „Journal of Pharmaceutical Sciences”, 54, 1965, s. 457–458, DOI: 10.1002/jps.2600540326, PMID: 14301582(ang.).
worldcat.org
MarshallM.SittigMarshallM., Pharmaceutical Manufacturing Encyclopedia, wyd. 2, Park Ridge: Noyes Publications, 1988, s. 54, ISBN 1-59124-383-1, OCLC52233518(ang.).