1. Altman H (2013) Search for man under Seffner sinkhole abandoned. The Tampa Tribune 18 Mar 2013, Tampa, Florida
2. Beck BF, Sinclair WC (1986) Sinkholes in Florida, an introduction. University of Central Florida, College of Engineering, The Florida Sinkhole Research Institute, Orlando
3. Bell FG (2004) Engineering geology and construction. Spon Press, London
4. Bolt BA (1993) Earthquakes. W. H. Freeman and Company, New York
5. Brink ABA (1984) A brief review of the South African sinkhole problem. In: Beck BF (ed) Proceedings of the 1st multidisciplinary conference on sinkholes: their geology, engineering and environmental impact, Orlando, Florida. Balkema, Rotterdam, pp 123–127