All abstracts by David Harper in conference series: Goldschmidt
(2019) Geochemical and Biological Effects of Oil and Gas Wastewater ReleasesCozzarelli I, Akob D, Benthem A, Haase K, Mumford A, Orem W, Skalak K, Engle M, Kent D, Farag A, Harper D, Thamke J, Briggs M & Lane J
(2011) A Sulfidic Driver for the Late Ordovician Extinction
Hammarlund E, Dahl T, Harper D, Bond D, Bjerrum C & Canfield D