Authors: Masarie, KA Langenfelds, RL Allison, CE Conway, TJ Dlugokencky, EJ Francey, RJ Novelli, PC Steele, LP Tans, PP Vaughn, B White, JWC

Citation: Ka. Masarie et al., NOAA/CSIRO Flask Air Intercomparison Experiment: A strategy for directly assessing consistency among atmospheric measurements made by independent laboratories, J GEO RES-A, 106(D17), 2001, pp. 20445-20464

Authors: Dlugokencky, EJ Walter, BP Masarie, KA Lang, PM Kasischke, ES

Citation: Ej. Dlugokencky et al., Measurements of an anomalous global methane increase during 1998, GEOPHYS R L, 28(3), 2001, pp. 499-502

Authors: Harris, JM Dlugokencky, EJ Oltmans, SJ Tans, PP Conway, TJ Novelli, PC Thoning, KW Kahl, JDW

Citation: Jm. Harris et al., An interpretation of trace gas correlations during Barrow, Alaska, winter dark periods, 1986-1997, J GEO RES-A, 105(D13), 2000, pp. 17267-17278

Authors: Tyler, SC Ajie, HO Gupta, ML Cicerone, RJ Blake, DR Dlugokencky, EJ

Citation: Sc. Tyler et al., Stable carbon isotopic composition of atmospheric methane: A comparison ofsurface level and free tropospheric air, J GEO RES-A, 104(D11), 1999, pp. 13895-13910