1. Field test of vertical ground-coupled heat pump in Alabama;Kavanaugh;ASHRAE Trans,1992
2. Development of design tools for ground-source heat pump piping;Kavanaugh;ASHRAE Trans,1998
3. Lund JW. Ground-source (geothermal) heat pumps. In: Lineau PJ, editor. Course on heating with geothermal energy: conventional and new schemes. World Geothermal Congress 2000 Short Courses. Kazuno, Tohuko District, Japan: 2000. p. 209–36
4. Lund JW, Freeston DH. World-wide direct uses of geothermal energy 2000. Proceedings of World Geothermal Congress 2000. Kyushu-Tohuko, Japan: 2000. p. 1–21
5. World-wide direct uses of geothermal energy 2000;Lund;Geothermics,2001