All abstracts by John Helms in conference series: Goldschmidt
(2012) Characterization of Dissolved Organic Matter (DOM) from Diverse Oceanic Environments by Reverse Osmosis and ElectrodialysisMopper K, Helms J, Chen H, Green N, Stubbins A, Perdue M, Hatcher P & Mao J
(2010) Elucidating the Structure of Gilsonite Bitumen by Advanced Nuclear Magnetic Resonance Spectroscopy
Mao J & Helms J