TY - RPRT TI - Seismic performance of circular bridge columns designed in accordance with AASHTOCALTRANS standards AU - Stone, William C AU - Taylor, Andrew W PY - 1993 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST BSS 170 DO - 10.6028/NIST.BSS.170 ER -