TY - RPRT TI - Review and refinement of ATC 3-06 tentative seismic provisions : report of Joint Committee on Review and Refinement AU - Leyendecker, Edgar V AU - Harris, James R PY - 1980 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 80-2111-11 DO - 10.6028/NBS.IR.80-2111-11 ER -