TY - GEN AU - Robert A Crist AU - James R Shaver C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.75-906 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - Deflection performance criteria for floors: ER -