TY  - GEN
AU  - Swindells, J F
AU  - Snyder, C F
AU  - Hardy, R C
AU  - Golden, P E
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1958-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.CIRC.440sup
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1958
TI  - Supplement to National Bureau of Standards Circular no. 440::
ER  -