00297 a2200097 4500 625.84 POR Porter, Max L. Assessment of Dowel Bar Research/ Max L. Porter, Robert J. Guinn Lowa : Lowa State University, 2002 vii, 72p. ; ill. ; 27 cm Dowel Bar Research 1549 1549 0 0 0 0 NIT NIT CE 0000-00-00 0 625.84 POR NIT-5954 2017-01-05 2017-01-05 BK