Improved chronostratigraphic reference curve of late Neogene seawater 87Sr/86 Sr: Comment and Reply Friedman, Gerald M. ; Farrell, John W. ; Clemens, Steven C. ; Gromet, L. Peter Abstract Publication: Geology Pub Date: March 1996 DOI: 10.1130/0091-7613(1996)024<0284:ICRCOL>2.3.CO;2 Bibcode: 1996Geo....24..284F