TY  - RPRT
TI  - Circular of the Bureau of Standards no. 393: reclaimed rubber
AU  - McPherson, A T
PY  - 1931
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 393
DO  - 10.6028/NBS.CIRC.393
ER  -