Element stratigraphy across the Cretaceous/Tertiary boundary in Hole 738COcean Drilling Program719–730
Schmitz, B., Asaro, F., Michel, H. V., Thierstein, H. R., and Huber, Brian T. 1991. "Element stratigraphy across the Cretaceous/Tertiary boundary in Hole 738C." In Proceedings of the Ocean Drilling Program, Scientific Results, 119. Barron, J. B. and Larsen, B., editors. 719–730. College Station, TX: Ocean Drilling Program.