1. Aguiar, R., 1998. Dados Meteorológicos para Energias Renováveis e URE em Portugal (PCLIMA project). Final report ALTENER XVII/4.1030/Z/98-92), INETI – DER, Lisbon.
2. Astronomical Almanac for the Year 2011, 2010. US Government Printing Office, Washington. ISBN 978-0-7077-41031.
3. Photovoltaic potential in a Lisbon suburb using LiDAR data;Brito;Solar Energy,2012
4. Carneiro, C., 2011. Extraction of urban environmental quality indicators using LiDAR-based Digital Surface Models. École Polytechnique Fédérale de Lausanne, PhD thesis.
5. Fu, P., Rich, P.M., 1999. Design and implementation of the solar analyst: an ArcView extension for modeling solar radiation at landscape scales. In: Proc. IX Annual ESRI User Conference.