http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f8-subject=Absorption spectra) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f8-subject%3DAbsorption%20spectra Results for your query: docsPerPage=100;f8-subject=Absorption spectra Thu, 01 Jan 1970 12:00:00 GMT Investigations of infra-red spectra. Coblentz, William W. (William Weber), 1873-1962 https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT