C4N2 on Titan
C6H - Astronomical study of its fine and hyperfine structure
Ca and Fe Abundances of 10 Stars in Both M13 and M22
CA and MG abundances in the Draco dwarf gaalxy.
Ca and Mg abundances in the Draco dwarf galaxy.
CA content.
Ca depletion and the presence of dust in large scale nebulosities in radiogalaxies (I)
Ca depletion and the presence of dust in large scale nebulosities in radiogalaxies (II)
CA Expedition to Lesbos to observe the central Solar Eclipse 1966 May 20 : summary.
Ca Filter Photometry as a Metallicity Indicator for RR Lyrae Stars
CA I 6162 A line oscillations observed in a solar active region
Ca I absorption and the electron densities in interstellar clouds.
CA i Lines in Auto-Ionization in the Solar Spectrum.
Ca II 8542 Å sunspot oscillations observed with THEMIS
CA II absolute line profiles of southern late-type stars
CA II absorption lines in the spectrum of the quasar PKS 2020-370 due to galactic material in the group Klemola 31
Ca II activity and rotation in F-K evolved stars
Ca II and Mg II Resonance Lines in Non-Homogeneous Chromospheres
CA II and NA I absorption in the QSO S4 0248 + 430 due to an intervening galaxy
Ca II and Na I Quasar Absorption-Line Systems in an Emission-Selected Sample of SDSS DR7 Galaxy/Quasar Projections: I. Sample Selection