Affiliation: | 1Professor, Dept. of Civil Engineering, Lamar Univ., P.O. Box 10024, Beaumont, TX 77710. E-mail: ed.koehn@lamar.edu 2Assistant Professor of Business, Chadron State College, Nebraska. E-mail: jkoehn@csc.edu 3Technical Assistant, Indian Institute of Technology. E-mail: rajesh_malani@yahoo.com 4Graduate Student, Lamar Univ., Dept. of Civil Engineering. E-mail: ramakantk_mv@yahoo.co.in
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