http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f311-subject=Pistons) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f311-subject%3DPistons Results for your query: docsPerPage=100;f311-subject=Pistons Thu, 01 Jan 1970 12:00:00 GMT Rotary piston machines: classification of design principles for engines, pumps and compressors. Wankel, Felix., Ansdale, Richard Franz. 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