Potential glacial-interglacial changes in stable carbon isotope ratios of methane sources and sink fractionationSCHAEFER, Hinrich; WHITICAR, Michael J.Global biogeochemical cycles. 2008, Vol 22, Num 1, issn 0886-6236, GB1001.1-GB1001.18Article

Measurement of stable carbon isotope ratios of methane in ice samplesSCHAEFER, Hinrich; WHITICAR, Michael J.Organic geochemistry. 2007, Vol 38, Num 2, pp 216-226, issn 0146-6380, 11 p.Article

Discrimination abilities for nutrients: which difference matters for choosy birds and why?SCHAEFER, Hinrich Martin; SCHMIDT, Veronika; BAIRLEIN, Franz et al.Animal behaviour. 2003, Vol 65, pp 531-541, issn 0003-3472, 11 p., 3Article

A novel method for obtaining very large ancient air samples from ablating glacial ice for analyses of methane radiocarbonPETRENKO, Vasilii V; SEVERINGHAUS, Jeffrey P; SMITH, Andrew M et al.Journal of Glaciology. 2008, Vol 54, Num 185, pp 233-244, issn 0022-1430, 12 p.Article

Ice stratigraphy at the Pâkitsoq ice margin, West Greenland, derived from gas recordsSCHAEFER, Hinrich; PETRENKO, Vasilii V; BROOK, Edward J et al.Journal of Glaciology. 2009, Vol 55, Num 191, pp 411-421, issn 0022-1430, 11 p.Article

Ice record of δ¹³C for atmospheric CH₄ across the Younger Dryas-Preboreal transitionSCHAEFER, Hinrich; WHITICAR, Michael J; BROOK, Edward J et al.Science (Washington, D.C.). 2006, Vol 313, Num 5790, pp 1109-1112, issn 0036-8075, 4 p.Article