TY - RPRT TI - Diagenetic changes in the elemental composition of unrecrystallized mollusk shells AU - P.C. Ragland AU - O. H. Pilkey AU - B. W. Blackwelder PY - 1979 DO - 10.1016/0009-2541(79)90088-3 UR - https://pubs.usgs.gov/publication/70012467 ID - 70012467 ER -