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	1.	Isotopic evidence of multiple controls on atmospheric oxidants over climate transitions. [electronic resource] by Geng, Lei Murray, Lee T Mickley, Loretta J Lin, Pu Fu, Qiang Schauer, Andrew J Alexander, Becky Producer: 20171013 In: Nature vol. 546 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Nitrogen isotopes in ice core nitrate linked to anthropogenic atmospheric acidity change. [electronic resource] by Geng, Lei Alexander, Becky Cole-Dai, Jihong Steig, Eric J Savarino, Joël Sofen, Eric D Schauer, Andrew J Producer: 20140617 In: Proceedings of the National Academy of Sciences of the United States of America vol. 111 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Isotopic composition of atmospheric nitrate in a tropical marine boundary layer. [electronic resource] by Savarino, Joel Morin, Samuel Erbland, Joseph Grannec, Francis Patey, Matthew D Vicars, William Alexander, Becky Achterberg, Eric P Producer: 20140108 In: Proceedings of the National Academy of Sciences of the United States of America vol. 110 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Analysis of oxygen-17 excess of nitrate and sulfate at sub-micromole levels using the pyrolysis method. [electronic resource] by Geng, Lei Schauer, Andrew J Kunasek, Shelley A Sofen, Eric D Erbland, Joseph Savarino, Joël Allman, Daniel J Sletten, Ronald S Alexander, Becky Producer: 20140506 In: Rapid communications in mass spectrometry : RCM vol. 27 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Oxygen isotope exchange with quartz during pyrolysis of silver sulfate and silver nitrate. [electronic resource] by Schauer, Andrew J Kunasek, Shelley A Sofen, Eric D Erbland, Joseph Savarino, Joel Johnson, Ben W Amos, Helen M Shaheen, Robina Abaunza, Mariana Jackson, Terri L Thiemens, Mark H Alexander, Becky Producer: 20121023 In: Rapid communications in mass spectrometry : RCM vol. 26 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	A large atomic chlorine source inferred from mid-continental reactive nitrogen chemistry. [electronic resource] by Thornton, Joel A Kercher, James P Riedel, Theran P Wagner, Nicholas L Cozic, Julie Holloway, John S Dubé, William P Wolfe, Glenn M Quinn, Patricia K Middlebrook, Ann M Alexander, Becky Brown, Steven S Producer: 20100317 In: Nature vol. 464 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)