Holbourn, Ann E. L.; Kaminski, Michael A. (1995): Lower Cretaceous benthic foraminifera from DSDP Site 263: micropalaeontological constraints for the early evolution of the Indian Ocean. Elsevier, Amsterdam, Netherlands, In: Langer, Martin R (editor), Lipps, Jere H. (editor), Ingle, James C. (editor), Sliter, William V. (editor), Forams' 94; selected papers from the Fifth international symposium of Foraminifera, 26 (1-4), 425-460, georefid:1997-005648