How many assay probes to find one ore-bearing asteroid?DOI: info:10.1016/j.actaastro.2013.11.027v. 96227–231
Elvis, Martin and Esty, Thomas. 2014. "How many assay probes to find one ore-bearing asteroid?" Acta Astronautica, 96 227–231. https://doi.org/10.1016/j.actaastro.2013.11.027.