ʻOumuamua
Alan Fitzsimmons, Colin Snodgrass, Ben Rozitis, Bin Yang, Méabh Hyland, Tom Seccull, Michele T. Bannister, Wesley C. Fraser, Robert Jedicke & Pedro Lacerda: Spectroscopy and thermal modelling of the first interstellar object 1I/2017 U1 ‘Oumuamua, Nature Astronomy kwenye tovuti ya nature.com ya 18 Desemba 2017 online hapa, iliangaliwa Desemba 2017