11.
 |  | Title: Karst Geohazards - Engineering and Environmental Problems in Karst Terrane: Proceedings of the 5th Multidisciplinary Conference on Sinkholes and the Engineering and Environmental Impacts of Karst Gatlinburg/Tennessee/2-5 april by Barry F. Beck, Felicity M. Pearson ISBN: 9054105356 Publisher: Balkema Publishers Pub. Date: March, 1995 List Price: $145.50 Amazon.com Price: $145.50 |
12.
 |  | Title: Applied Karst Geology: The Proceedings of the Fourth Engineering & Environmental Impacts of Karst by Barry F. Beck ISBN: 9054103051 Publisher: Ashgate Publishing Company Pub. Date: April, 1993 List Price: $126.00 Amazon.com Price: $126.00 |
13.
 |  | Title: The Engineering Geology and Hydrogeology of Karst Terranes: Proceedings of the Sixth Multidisciplinary International Conference, Springfield, Missouri by Barry F. Beck, J. Gayle Herring, J. Brad Stephenson ISBN: 9054108673 Publisher: Ashgate Publishing Pub. Date: April, 1997 List Price: $105.00 Amazon.com Price: $105.00 |
14.
 |  | Title: Sinkholes: Their Geology, Engineering and Environmental Impact by Barry F. Beck ISBN: 9061915708 Publisher: Balkema Publishers Pub. Date: October, 1984 List Price: $76.50 Amazon.com Price: $76.50 |
15.
 |  | Title: Sinkholes in Florida : an introduction by Barry F. Beck ISBN: 0937971006 Publisher: Florida Sinkhole Research Institute, College of Engineering, University of Central Florida in cooperation with the U.S. Geological Survey Pub. Date: 1986
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