TY  - RPRT
TI  - Circular of the Bureau of Standards no. 433: physical properties of dental materials
AU  - Souder, Wilmer
AU  - Paffenbarger, George C
PY  - 1942
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 433
DO  - 10.6028/NBS.CIRC.433
ER  -