Solar energy, wind power and geothermal energy : Rome, August 21-31, 1961.
New York : United Nations, 1961.
7v. : ilustraciones ; 28 cm.
Preprints of papers and conference participants as of 15 July, 1961.
Catálogo Bibliográfico
New York : United Nations, 1961.
7v. : ilustraciones ; 28 cm.
Preprints of papers and conference participants as of 15 July, 1961.