TY  - RPRT
TI  - Circular of the Bureau of Standards no. 325: ceramic properties of some white-burning clays of the Eastern United States
PY  - 1927
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 325
DO  - 10.6028/NBS.CIRC.325
ER  -