Ca II H and K Line Variability in the Ap Star HD 43819
CA II H(2v) and K(2v) cell grains
CA II in HD 190073 Revisited
CA II K bright points and the solar cycle
CA II K line asymmetries in two well-observed solar flares of October 18, 1990
CA II K Line Profile of the Truly Quiet Sun
CA II K2V spectral features and their relation to small-scale photospheric magnetic fields
Ca II resonance lines in non-homogeneous chromospheres
Ca II triplet lines in cool stars (Mallik 1997)
Ca impurity in small mixed $^4$He-$^3$He clusters
CA in Olivine of H-Chondrites
Ca Isotope Anomalies in Orgueil Leachates and Implications for the Carrier Phases of Ca and Cr Anomalies
Ca isotope constraints on diagenetic alteration of Cenozoic paleo-proxies
Ca isotope cycling in a forested ecosystem
Ca isotope ratios in the largest rivers in the world: Implications for the global Ca budget and weathering processes
Ca isotope systematics of marine hydrothermal and cold seep carbonates
Ca isotopes and the rainfall limit of silicate weathering on Earth
CA Isotopes in Allende and Leoville Inclusions
Ca Isotopic Analysis as a Tool for Exploring Genetic Relationships Among Achondrites
Ca Isotopic Anomalies in CAIs