A. Shigidi

Field Studies of Strengthened Timber Railroad Bridge

Richard M. Gutkowski, Michael L. Peterson, A. Shigidi, 2001 .

FIELD INVESTIGATION OF A STRENGTHENED TIMBER TRESTLE RAILROAD BRIDGE

Richard M. Gutkowski, A. Shigidi, An Vinh Tran, 2003 .

Investigation of Notched Composite Wood–Concrete Connections

Julius Natterer, Richard M. Gutkowski, Kevin Brown, 2004 .

Field Load Testing And Modeling Of A StrengthenedTimber Trestle Railroad Bridge

Richard M. Gutkowski, Michael L. Peterson, A. Shigidi, 1999 .

Dynamic Impact Load Tests of a Bridge Guardrail System

Richard M. Gutkowski, Michael L. Peterson, A. Shigidi, 2007 .