Text ( visual ) : unmediated International Directory of New and Renewable Energy Information Sources and Research Centres / prepared jointly by the United Nations Educational, Scientific and Cultural Organization and the Solar Energy Research Institute. -- Paris : Unesco, SERI , 1982. -- xvi, 469 p. ; 30 cm. -- (BA51995803) ; https://ci.nii.ac.jp/ncid/BA51995803 Author Heading(s): Unesco ; Solar Energy Research Institute