@misc{indiciae7d8770844249, title = {Spectrographic date on cores from the Pacific Ocean and the Gulf of Mexico}, author = {E. J. Young}, year = {1968}, doi = {10.1016/0016-7037(68)90081-1}, url = {https://pubs.usgs.gov/publication/70009908}, note = {Source identifier: 70009908} }