1. Buscheck , T. C. Doughty C. F. Tsang Aquifer thermal energy storage-Parameter study, report Berkeley, Calif. 1982
2. Claesson , J. B. Eftring G. Hellström Temperature decline of a heated region in the ground Lund, Sweden 1980
3. Fabris , H. A. C. Gringarten Etudes expérimentales de stockage et de transfert de chaleur en aquifère, Summary of the Principal Scientific and Technical Results of the National Geological Service for 1977, supplement to the bulletin of the Bureau de Recherches Géologiques et Minières Orleans, France 1977