Loubere, Paul; Jakiel, Richard (1985): A sedimentological, faunal, and isotopic record of the middle-to-late Pliocene transition in the northeastern Atlantic, Deep Sea Drilling Project Site 548. In: De Graciansky, PC; Poag, CW; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Gov. Printing Office), 80, 473-488, doi:10.2973/dsdp.proc.80.111.1985