Schnitzler, E., Kobelnik, M., Sotelo, G. F. C., Bannach, G. and Ionashiro, M. (2004) “Thermoanalytical study of purine derivatives compounds”, Eclética Química, 29(1), pp. 71–78. doi: 10.26850/1678-4618eqj.v29.1.2004.p71-78.