TY  - BOOK
AU  - Morgan, W. W
AU  - Abt, H. A.
AU  - Tapscott, J. W.
TI  - Revised MK spectral atlas for stars earlier than sun
PY  - 1978///
CY  - Chicago
PB  - Yerkes Observatory
KW  - Astronomy and astrophysics thesaurus
KW  - Atlas - stars
KW  - Stars - atlas
ER  -