TY  - RPRT
TI  - Circular of the Bureau of Standards no. 335: United States government master specification for packing, hard fiber sheet
PY  - 1927
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 335
DO  - 10.6028/NBS.CIRC.335
ER  -