1. Buck, E.; Maddux, G. C.; Sullivan, R. L.Internal Corrosion Cost Impact Study—United States natural gas exploration and production industry;GRI-96/0056 document No. 96-1466;Gas Research Institute:Des Plaines, IL, 1996.
2. Pope, D. H.; Pope, R. M.Guide for the monitoring and treatment of microbiologically induced corrosion in the natural gas industry;GRI report GRI-96/0488;Gas Research Institute:Des Plaines, IL, 1998.
3. Kochzp, G. H.; Brongers, M. P. H.; Thompson, N. G.; Virmani, Y. P.; Payer, J. H.Corrosion costs and preservative strategies in the United States, FHWA-RD-01-156 (on-line);Federal Highway Administration:Washington, DC, 2001; http://www.corrosioncost.com.