| Current status of ground source heat pumps and underground thermal energy storage in Europe B Sanner, C Karytsas, D Mendrinos, L Rybach Geothermics 32 (4-6), 579-588, 2003 | 827 | 2003 |
| The possible role and contribution of geothermal energy to the mitigation of climate change IB Fridleifsson, R Bertani, E Huenges, JW Lund, A Ragnarsson, L Rybach IPCC scoping meeting on renewable energy sources, proceedings, Luebeck …, 2008 | 551 | 2008 |
| Greenhouse gas emission savings of ground source heat pump systems in Europe: A review P Bayer, D Saner, S Bolay, L Rybach, P Blum Renewable and Sustainable Energy Reviews 16 (2), 1256-1267, 2012 | 481 | 2012 |
| Geothermal (ground-source) heat pumps: a world overview J Lund, B Sanner, L Rybach, R Curtis, G Hellström Geo-Heat Center Quarterly Bulletin 25 (3), 2004 | 395 | 2004 |
| Determination of heat production rate L Rybach Handbook of terrestrial heat-flow density determination 4, 125-142, 1988 | 343 | 1988 |
| Geothermal energy: sustainability and the environment L Rybach Geothermics 32 (4-6), 463-470, 2003 | 302 | 2003 |
| Review on life cycle environmental effects of geothermal power generation P Bayer, L Rybach, P Blum, R Brauchler Renewable and Sustainable Energy Reviews 26, 446-463, 2013 | 286 | 2013 |
| Radioactive heat production in rocks and its relation to other petrophysical parameters L Rybach Pure and Applied Geophysics 114, 309-317, 1976 | 266 | 1976 |
| The variation of heat generation, density and seismic velocity with rock type in the continental lithosphere L Rybach, G Buntebarth Tectonophysics 103 (1-4), 335-344, 1984 | 255 | 1984 |
| A simple method to determine heat production from gamma-ray logs C Bücker, L Rybach Marine and Petroleum Geology 13 (4), 373-375, 1996 | 229 | 1996 |
| Handbook of terrestrial heat-flow density determination: with guidelines and recommendations of the International Heat Flow Commission R Haenel, L Stegena, L Rybach Springer Science & Business Media, 2012 | 220 | 2012 |
| Coupled hydraulic, thermal and mechanical considerations for the simulation of hot dry rock reservoirs T Kohl, KF Evansi, RJ Hopkirk, L Rybach Geothermics 24 (3), 345-359, 1995 | 209 | 1995 |
| Ground source heat pump systems, the European experience L Rybach, B Sanner GHC Bull 21 (1), 16-26, 2000 | 208 | 2000 |
| Geothermal systems: principles and case histories L Rybach, LJP Muffler Chichester, 1981 | 203 | 1981 |
| The thermal regime of the crystalline continental crust: Implications from the KTB C Clauser, P Giese, E Huenges, T Kohl, H Lehmann, L Rybach, ... Journal of Geophysical Research: Solid Earth 102 (B8), 18417-18441, 1997 | 191 | 1997 |
| Relationships between the petrophysical properties density, seismic velocity, heat generation, and mineralogical constitution L Rybach, G Buntebarth Earth and Planetary Science Letters 57 (2), 367-376, 1982 | 185 | 1982 |
| Observation and simulation of non‐Darcian flow transients in fractured rock T Kohl, KF Evans, RJ Hopkirk, R Jung, L Rybach Water Resources Research 33 (3), 407-418, 1997 | 176 | 1997 |
| Ground source heat pumps–geothermal energy for anyone, anywhere: current worldwide activity R Curtis, J Lund, B Sanner, L Rybach, G Hellström Proceedings World Geothermal Congress 24, 175, 2005 | 175 | 2005 |
| Thermal conductivity and specific heat of minerals and rocks V Čermák, L Rybach Landolt-Börnstein: Numerical Data and Functional Relationships in Science …, 1982 | 172 | 1982 |
| Geothermal sustainability-a review with identified research needs L Rybach, M Mongillo GRC Transactions 30, 1083-1090, 2006 | 166 | 2006 |
