Arequipa Pyrheliometry
by Albert Moore Reese, Alfred Locke Parson, Anders Knutsson Ångström, Austin Hobart Clark, Charles Greeley Abbot, Kenneth Kent Mackenzie, Norman Eugene McIndoo, Edgar Alexander Mearns, Edgar Theodore Wherry, Frederick Eugene Fowle, Gerrit Smith Miller, Loyal Blaine Aldrich, Smithsonian Institution, William R. Maxon · 1916