Library of high and mid-resolution spectra in the Ca ii H & K, H∝, , Hβ, Na i D1, D2, and He i D3 line regions of F, G, K and M field stars
Astron. Astrophys. Suppl. Ser., 123 3 (1997) 473-485
Published online: 15 June 1997
DOI: 10.1051/aas:1997170