TY - GEN TY - GEN T1 - Advanced solar thermal storage systems : proceedings of the IEA Workshop, September 22-23, 1997 Helsinki, Finland A2 - Lund, P. D., 1957- A2 - Lund, Peter A2 - IEA Workshop LA - eng PP - Espoo PB - Helsinki University of Technology YR - 1998 UL - https://kansalliskirjasto.finna.fi/Record/fikka.4024324 ER -