TY  - GEN
AU  - Henry D Hubbard
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1930-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.MP.117
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1930
TI  - Units used to express the wave lengths of electromagnetic waves/:
ER  -