TY - RPRT TI - Marine radiocarbon reservoir age variation in Donax obesulus shells from northern Peru: Late Holocene evidence for extended El NiƱo AU - Miguel F. Etayo-Cadavid AU - C. Fred T. Andrus AU - Kevin B. Jones AU - Gregory W. L. Hodgins AU - Daniel H. Sandweiss AU - Sandiago Uceda-Castillo AU - Jeffrey Quilter PY - 2013 DO - 10.1130/g34065.1 UR - https://pubs.usgs.gov/publication/70046063 ID - 70046063 ER -