Journal ArticleEvaluation of New Submillimeter VLBI Sites for the Event Horizon TelescopeRaymond, Alexander W.; Palumbo, Daniel; Paine, Scott N.; Blackburn, Lindy; Córdova Rosado, Rodrigo; Doeleman, Sheperd S.; Farah, Joseph R.; Johnson, Michael D.; Roelofs, Freek; Tilanus, Remo P.; Weintroub, Jonathannull2021-02-1610299890The Astrophysical Journal Supplement Series253150067-0049https://doi.org/10.3847/1538-3881/abc3c31935980; 1716536National Science Foundation