http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Centaur rocket -- History) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DCentaur%20rocket%20--%20History Results for your query: docsPerPage=100;f277-subject=Centaur rocket -- History Thu, 01 Jan 1970 12:00:00 GMT Taming liquid hydrogen: the Centaur upper stage rocket, 1958-2002. Dawson, Virginia P. (Virginia Parker), Bowles, Mark D., United States National Aeronautics and Space Administration. Office of External Relations. 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