TY  - RPRT
TI  - Indentation and recovery of low-cost floor coverings 
AU  - Sigler, P A
AU  - Woodward, Myrtle B
PY  - 1939
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS BMS 14
DO  - 10.6028/NBS.BMS.14
ER  -