TY  - RPRT
TI  - Circular of the Bureau of Standards no. 38 2nd edition: the testing of mechanical rubber goods
PY  - 1913
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 38e2
DO  - 10.6028/NBS.CIRC.38e2
ER  -