@Article{eed-2-69-2007, AUTHOR = {Shields, G. A.}, TITLE = {A normalised seawater strontium isotope curve and the Neoproterozoic-Cambrian chemical weathering event}, JOURNAL = {eEarth Discussions}, VOLUME = {2}, YEAR = {2007}, NUMBER = {1}, PAGES = {69--84}, URL = {http://www.electronic-earth-discuss.net/2/69/2007/}, ISSN = {1815-3836} }