http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f276-subject=Gravity) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f276-subject%3DGravity Results for your query: docsPerPage=100;f276-subject=Gravity Thu, 01 Jan 1970 12:00:00 GMT Modern methods for measuring the intesity of gravity. U.S. Coast and Geodetic Survey, Swick, Clarence H. (Clarence Herbert), b. 1883, United States Coast and Geodetic Survey. http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT