Amigos y nada más (Serie Amigos 5) (Spanish Edition)
Solar Energy Conversion II. Selected Lectures from the 1980 International Symposium on Solar Energy Utilization, London, Ontario, Canada August 10–24, 1980
Rock Fragmentation by Blasting: Proceedings of the 9th Int. Symp. on Rock Fragmentation by Blasting - Fragblast 9, Sept. 2009, Granada Spain