Lafay, J. M. S., und A. Krenzinger. „EXPERIMENTAL VALIDATION OF A COMPUTATIONAL PROGRAM FOR SIMULATING HYBRID SOLAR AND GAS WATER HEATING SYSTEMS“. Revista De Engenharia Térmica, Bd. 6, Nr. 2, Dezember 2007, S. 19-26, doi:10.5380/reterm.v6i2.61686.