https://beta-documents.el-una.org/id/eprint/86/1/NAAUG04-present_Loading_MeSH-Jensen.pdf
https://beta-documents.el-una.org/id/eprint/86/2/NAAUG04-suppl_Loading_MeSH-Jensen.pdf
https://beta-documents.el-una.org/id/eprint/86/3/NAAUG04-suppl_Loading_MeSH_tables-Jensen.pdf