TY  - BOOK
AU  - Hayes, D. S., ed.
AU  - Philip, Davis A. G., ed.
TI  - The HR diagram: the 100th anniversary of Henry Norris Russel
SN  - 90-277-0905-X
PY  - 1978///
CY  - Dordrecht
PB  - D. Reidel Publishing
KW  - Astronomy and Astrophysics Thesaurus
KW  - Henry Norris Russel
KW  - Hertzsprung Russell diagram
KW  - Spectra
ER  -