Calcium and Strontium Isotopes: Stratification in CP Stars

Calcium Auto-ionization Lines in Late-Type Stars

Calcium chloride in cool stars

Calcium Chloride in the IUE Spectra of Carbon Stars

Calcium Chloride in the Spectra of Carbon Emission Line Stars

Calcium Circumfacules: New Findings About a Neglected Phenomenon

Calcium H and K emission in AR Lacertae

Calcium II H and K Emission in Yellow Supergiants.

Calcium II Line Correlations for the Active Quiet Chromosphere

Calcium in the Atmospheres of Peculiar Stars

Calcium in the atmospheres of peculiar stars

Calcium in the helium white dwarf GD 40

Calcium infrared triplet emission in active galactic nuclei

Calcium Isotope Composition of Meteorites, Earth, and Mars

Calcium Oxide and Chloride Bands in the Electric Furnace

Calcium Triplet Line Strengths in Elliptical Galaxies

Calcium-Aluminum-rich Inclusions: Major Unanswered Questions

Calcium-K Line Profile as a Function of Latitude and Solar Cycle Phase

Calcium-to-Argon and Nickel-to-Argon Abundance Ratios as Tracers of the Source Region of Postflare Loop System Material

Calcoli d'orbita di stelle doppie. Nota VII: Convergenza delle approssimazioni successive ottenute col metodo dei minimi quadrati