TY - RPRT TI - MFAssignR: Molecular formula assignment software for ultrahigh resolution mass spectrometry analysis of environmental complex mixtures AU - Schum, Simeon K. (ORCID:0000000189885236) AU - Brown, Laura E. (ORCID:0000000204276245) AU - Mazzoleni, Lynn R. (ORCID:0000000202267337) PY - 2020 DO - 10.1016/j.envres.2020.110114 UR - https://www.osti.gov/biblio/1810918 ID - 1810918 ER -