Watkins, N. D.; Harrison, C. G. A. (1976): More pessimism about prospects for deriving obviously useful paleomagnetic information from IPOD basalt cores. American Geophysical Union, Washington, DC, United States, Eos, Transactions, American Geophysical Union, 57 (9, Third meeting of the European Geophysical Society), 654-655, georefid:1977-009636