J.M.L.P. Caldeira, V.N.G.J. Soares, P.M.F.D.O. Gaspar, J.J.P.C. Rodrigues, R.M.V. Fontes, J.L.L. Silva "iSensA – A System for Collecting and Integrating Sensor Data", Advances in Science, Technology and Engineering Systems Journal, vol. 3, no. 6, pp. 213-221 (2018).