Ogg, James G. (1987): Early Cretaceous magnetic polarity time scale and the magnetostratigraphy of Deep Sea Drilling Project sites 603 and 534, western Central Atlantic. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: van Hinte, Jan E., Wise, Sherwood W., Jr., Biart, Brian N. M., Covington, J. Mitchener, Dunn, Dean A., Haggerty, Janet A., Johns, Mark W., Meyers, Philip A., Moullade, Michel R., Muza, Jay P., Ogg, James G., Okamura, Makoto, Sarti, Massimo, von Rad, Ulrich, Blakeslee, Jan H. (editor), Whalen, Elizabeth (editor), Initial reports of the Deep Sea Drilling Project covering Leg 93 of the cruises of the drilling vessel Glomar Challenger, Norfolk, Virginia, to Norfolk, Virginia, May-June, 1983, 93 (1-2), 849-879, georefid:1987-061778