1. Univ of Coimbra, ADAI,Department of Mechanical Engineering,Coimbra,Portugal,3030-788
2. Universidad de Alcala, Environmental Remote Sensing Research Group,Department of Geology, Geography and Environment,Alcalá de Henares,Spain,28801
3. Univ Coimbra, Centre for Earth and Space Research of the University of Coimbra,Department of Earth Sciences,Portugal
4. Univ Coimbra, Centre for Earth and Space Research of the University of Coimbra and Marine and Environmental Sciences Centre,Department of Earth Sciences,Portugal