1. Andersen FM, Brečević L (1991) Infrared spectra of amorphous and crystalline calcium carbonate. Acta Chem Scand 46:1018–1024
2. Arunkumar K, Buvaneswari B, Murugan M (2014) Quantification of carbonate crystals in some calcareous algae occurring along the southeast coasts of India. Indian J Mar Sci 43(11):0379–5136
3. Beniash E, Aizenberg J, Addadi L, Weiner S (1997) Amorphous calcium carbonate transforms into calcite during sea urchin larval spicule growth. Proceeding Royal Society London 264:461–465
4. Benvenuti M, Degli Innocenti D (2001) The Pliocene deposits in the Central eastern Valdesa basin (Florence, Italy) revised through facies analysis and unconformity-bounded stratigraphic units. Rivista Italiana di Paleontologia e Stratigrafia 107: 265–287 https://riviste.unimi.it/index.php/RIPS/article/view/5434
5. Bosch Reig F, Gimeno Adelantado JV, Moya Moreno MCM (2002) FTIR quantitative analysis of calcium carbonate (calcite) and silica (quartz) mixtures using the constant ratio method. Application to Geological Samples Talanta 58:811–821