TY  - RPRT
TI  - Circular of the Bureau of Standards no. 257: United States government master specification for cheesecloth, bleached or semibleached
PY  - 1925
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 257
DO  - 10.6028/NBS.CIRC.257
ER  -