TY  - BOOK
AU  - Buscombe, W
TI  - MK spectral classifications: third general catalogue
PY  - 1977///
CY  - Evanston
PB  - North-Western University
KW  - Astronomy and astrophysics thesaurus
KW  - Catalogue - MK spectral classifications
KW  - MK spectral classifications catalogue
ER  -