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WikiPedia: Frank_Elmore_Ross http://adsabs.harvard.edu//full/seri/Obs../0081//0... http://adsbit.harvard.edu//full/seri/PASP./0073//0... http://adsbit.harvard.edu//full/seri/QJRAS/0002//0... http://books.nap.edu/html/biomems/fross.pdf http://data.bibliotheken.nl/id/thes/p261673343 https://genealogy.math.ndsu.nodak.edu/id.php?id=32... https://www.idref.fr/167180428 https://id.loc.gov/authorities/names/n85808889 https://d-nb.info/gnd/11663006X https://isni.org/isni/0000000083906860