| Table of contents | | May 2012 Vol. 31, No. 5 | |  | Please check back soon for the May TLE Technical Articles. | |  | | * This article available only in printed version Please note: Full access to TLE's technical articles is limited to SEG members, subscribers, and those who have purchased the articles. Follow the link to each article for more information about purchasing options. PDF version of this manuscript | | | | | |