TY - RPRT TI - Age and origin of Cretaceous planktonic foraminifers from limestone of the Franciscan Complex near Laytonville, California AU - W.V. Sliter AU - I. Premoli-Silva PY - 2010 DO - 10.1029/pa005i005p00639 UR - https://pubs.usgs.gov/publication/70015964 ID - 70015964 ER -