TY  - RPRT
TI  - Spectrum of class-M supergiants in the region lambda lambda 7000-6000 angstrom
AU  - Orlov, M. Y.
AU  - Rodriguez, M. H.
AU  - Shavrina, A. V.
PY  - 1973
UR  - https://ntrs.nasa.gov/citations/19730021119
ID  - 19730021119
ER  -