Evaluation of the δ18O Value of the Submarine Cavernicolous Micro-Bivalve Carditella iejimensis as a Proxy for Palaeotemperature Yamamoto, Nagisa and Sakai, Saburo and Kitamura, Akihisa, Paleontological Research, 13, 279-284 (2009), DOI:http://dx.doi.org/10.2517/1342-8144-13.3.279