Lin H-T, Repeta DJ, Xu L, Rappé MS.  2019.  Dissolved organic carbon in basalt-hosted deep subseafloor fluids of the Juan de Fuca Ridge flank. Earth and Planetary Science Letters. 513:156-165.

Zigah PK, McNichol AP, Xu L, Johnson C, Santinelli C, Karl DM, Repeta DJ.  2017.   Allochthonous sources and dynamic cycling of ocean dissolved organic carbon revealed by carbon isotopes. GEOPHYSICAL RESEARCH LETTERS. 44(5):2407-2415.

Follett CL, Repeta DJ, Rothman DH, Xu L, Santinelli C.  2014.  Hidden cycle of dissolved organic carbon in the deep ocean. Proceedings of the National Academy of Sciences. 111(47):16706-16711.

Feng X, Benitez-Nelson BC, Montluçon DB, Prahl FG, McNichol AP, Xu L, Repeta DJ, Eglinton TI.  2013.  14C and 13C characteristics of higher plant biomarkers in Washington margin surface sediments. Geochimica et Cosmochimica Acta. 105:14-30.

Feng X, Benitez-Nelson BC, Montluçon DB, Prahl FG, McNichol AP, Xu L, Repeta DJ, Eglinton TI.  2013.  C-14 and C-13 characteristics of higher plant biomarkers in Washington margin surface sediments. GEOCHIMICA ET COSMOCHIMICA ACTA. 105:14-30.