1. Boron in Swedish and Norwegian fresh waters;Ahl;Ambio,1972
2. The chemistry of groundwater in the Langjökull-Thi-ngvellir drainage area;Airo;Report of the Nordic Volcanological Institute,1982
3. Magmatic gases in well fluids aid the mapping of the flow pattern in a geothermal system;Ármannsson;Geochim. Cosmochim. Acta,1982
4. Exploration and development of the Krafla geothermal area;Ármannsson;Jökull,1987
5. Groundwater systems in Iceland traced by deuterium;Árnason;Societas Scientiarum Islandica 42,1976