Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleRecognition and reduction of systematic error in elevation and derivative surfaces from 7-1/2-minute DEMsAuthorsBrown, Daniel G.; Bara, Thaddeus J.PublicationPhotogrammetric Engineering & Remote Sensing, 1994, Vol 60, Issue 2, p189ISSN0099-1112Publication typeArticle