Ryan, William B. F.; Hsu, 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. (1973): Introduction. 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 1, 5-17, georefid:1983-028138