Prell, Warren L.; Gardner, James V.; Adelseck, Charles G.; Blechschmidt, Gretchen; Fleet, Andrew J.; Keigwin, Lloyd D., Jr.; Kent, Dennis V.; Ledbetter, Michael T.; Mann, Ulrich; Mayer, Larry A.; Riedel, William R.; Sancetta, Constance A.; Spariosu, Dann J.; Zimmerman, Herman B. (1982): Leg 68; introduction, explanatory notes, and conventions. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Prell, Warren L., Gardner, James V., Adelseck, Charles G., Blechschmidt, Gretchen, Fleet, Andrew J., Keigwin, Lloyd D., Jr., Kent, Dennis V., Ledbetter, Michael T., Mann, Ulrich, Mayer, Larry A., Riedel, William R., Sancetta, Constance A., Spariosu, Dann J., Zimmerman, Herman B., Amidei, Rosemary, Lee, Marianna, Initial reports of the Deep Sea Drilling Project; covering Leg 68 of the cruises of the drilling vessel Glomar Challenger; Willemstad, Curacao to Guayaquil, Ecuador, 68, 5-12, georefid:1983-006950