Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFurther Notes on the Acquisition and Use of Photo-Electric Cells.AuthorsShelford, V. E.PublicationEcology, 1930, Vol 11, Issue 2, p348ISSN0012-9658Publication typeArticleDOI10.2307/1930269