TY - GEN AU - P A Sigler AU - Myrtle B Woodward C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1939-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.BMS.14 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1939 TI - Indentation and recovery of low-cost floor coverings: ER -