TY - RPRT TI - Integrated foraminiferal biostratigraphy and chemostratigraphy of the querecual formation (Cretaceous), Eastern Venezuela AU - S. Crespo De Cabrera AU - W.V. Sliter AU - I. Jarvis PY - 1999 UR - https://pubs.usgs.gov/publication/70021243 ID - 70021243 ER -