TY  - GEN
AU  - Dellinger, J H
AU  - Jolliffe, C B
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1930-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.CIRC.385
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1930
TI  - Circular of the Bureau of Standards no. 385::
ER  -