Donald E BreyerDonald E. Breyer, P.E., Professor Emeritus, Civil Engineering Department, California State Polytechnic University, Pomona, California.Kelly Cobeen, P.E., S.E., is an Associate Principal at Wiss, Janney, Elstner Associates in San Franciso.Zeno Martin, P.E., S.E., is an Associate Principal at Wiss, Janney, Elstner Associates in Seattle. Read More Read Less
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