Variations of isoleucine epimerization ratios in Glycymeris sp. shells in time-averaged raised marine deposits in the Mediterranean - Ramón Juliá; ARRIBAS ROSADO, ISABEL PILAR; Ortiz Menéndez, José Eugenio; MARTIN SANCHEZ, DOMINGO ALFONSO; TORRES PEREZ-HIDALGO, TRINIDAD J.DE (2011)