Kornprobst, J. (1973): "Basement" rocks of the western Alboran Basin; petrographical study of "acoustic basement" and associated breccia at Site 121; western Alboran Basin; a comparison with the Betico-Rifean basement. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Ryan, William B. F., Hsue, Kenneth J., Cita, Maria B., Dumitrica, Paulian, Lort, Jennifer M., Maync, Wolf, Nesteroff, Wladimir D., Pautot, Guy, Stradner, Herbert, Wezel, Forese C., Kaneps, Ansis G. (editor), Initial reports of the Deep Sea Drilling Project, covering Leg 13 of the cruises of the drilling vessel Glomar Challenger Lisbon, Portugal to Lisbon, Portugal, August-October 1970, 13, Part 2, 759-761, georefid:1983-030112