2022

• Renggli, CJ; Hellmann, JL; Burkhardt, C; Klemme, S; Berndt, J; Pangritz, P; Kleine, T. 2022. ‘Tellurium isotope fractionation during evaporation from silicate melts.’ Geochimica et Cosmochimica Acta 339: 35–45. doi: 10.1016/j.gca.2022.10.032.

2021

• Bischoff A, Alexander C M O'D, Burkhardt C, Busemann H, Degering D, Di Rocco T, Fischer M, Fockenberg T, Foustoukos D I, Gattacceca J, Godinho J R A, Harries D, Heinlein D, Hellmann J L, Hertkorn N, Holm A, Jull A J T, Kerraouch I, King A J, Kleine T, Koll D, Lachner J, Ludwig T, Merchel S, Mertens C A K, Morino P, Neumann W, Pack A, Patzek M, Pavetich S, Reitze M P, Rüfenacht M, Rugel G, Schmidt C, Schmitt-kopplin O, Schönbächler M, Trieloff M, Wallner A, Wimmer K, Wölfer E. 2021. ‘The old, unique C1 chondrite Flensburg–insight into the first processes of aqueous alteration, brecciation, and the diversity of water-bearing parent bodies and lithologies.’ Geochimica et Cosmochimica Acta 293: 142–186. doi: 10.1016/j.gca.2020.10.014.
• Metzler K, Hezel D C, Barosch J, Wölfer E, Schneider J M, Hellmann J L, Berndt J, Stracke A, Gattacceca J, Greenwood R C, Franchi I A, Burkhardt C, Kleine T. 2021. ‘The Loongana (CL) group of carbonaceous chondrites.’ Geochimica et Cosmochimica Acta 304: 1–31. doi: 10.1016/j.gca.2021.04.007.
• Hellmann J L, Hopp T, Burkhardt C, Becker H, Fischer-Gödde M, Kleine T. 2021. ‘Tellurium isotope cosmochemistry: Implications for volatile fractionation in chondrite parent bodies and origin of the late veneer.’ Geochimica et Cosmochimica Acta 309: 313–328. doi: 10.1016/j.gca.2021.06.038.

2020

• Hellmann J L, Kruijer T S, Metzler K, Patzek M, Pack A, Berndt J, Kleine T. 2020. ‘Hf-W chronology of a macrochondrule from the L5/6 chondrite Northwest Africa 8192.’ Meteoritics and Planetary Science 55, Nr. 10: 2241–2255. doi: 10.1111/maps.13571.
• Hellmann J L, Hopp T, Burkhardt C, Kleine T. 2020. ‘Origin of volatile element depletion among carbonaceous chondrites.’ Earth and Planetary Science Letters 549: 116508. doi: 10.1016/j.epsl.2020.116508.

2019

• Hellmann J L, Kruijer T S, Van Orman J A, Metzler K, Kleine T. 2019. ‘Hf-W chronology of ordinary chondrites.’ Geochimica et Cosmochimica Acta 258: 290–309. doi: 10.1016/j.gca.2019.05.040.
• Archer G J, Walker R J, Tino J, Blackburn T, Kruijer T S, Hellmann J L. 2019. ‘Siderophile element constraints on the thermal history of the H chondrite parent body.’ Geochimica et Cosmochimica Acta 245: 556–576. doi: 10.1016/j.gca.2018.11.012.

2018

• Kleine T, Budde G, Hellmann J L, Kruijer T S, Burkhardt C. 2018. ‘Tungsten isotopes and the origin of chondrules and chondrites.’ In Chondrules: Records of Protoplanetary Disk Processes, edited by Russell S S, Connolly Jr. H C, Krot A N, 276–299. Cambridge University Press. doi: 10.1017/9781108284073.010.