TY  - RPRT
TI  - Elemental abundance anomalies in the late Cenomanian extinction interval: A search for the source(s)
AU  - C. J. Orth
AU  - M. Attrep
AU  - L.R. Quintana
AU  - W.P. Elder
AU  - E.G. Kauffman
AU  - R. Diner
AU  - T. Villamil
PY  - 1993
DO  - 10.1016/0012-821x(93)90126-t
UR  - https://pubs.usgs.gov/publication/70018297
ID  - 70018297
ER  -