1. Indoor radon survey in the most populated areas in Spain;Baixeras;Environ. Int.,1996
2. Font, Ll., 1997. Radon generation, entry and accumulation indoors. Ph.D. Dissertation, Universitat Autonoma de Barcelona, ISBN 84-490-1265-1.
3. The RAGENA dynamic model of radon generation, entry and accumulation indoors;Font;Sci. Total Environ.,2003
4. Experimental and theoretical study of radon levels and entry mechanisms in Mediterranean climate house;Font;Radiat. Meas.,1999
5. International Commission on Radiological Protection (ICRP), 1994. Protection Against Radon-222 at Home and at Work. Annals of the ICRP, vol. 65. Pergamon, Oxford.