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Dr. Halton C. Arp
local time: 2017-11-22 14:45 (+01:00 )
Dr. Halton C. Arp Websites
Apeiron

Roy Keys, Halton C. Arp, Andre K. T. Assis, Peter Graneau[Updated 6 years ago]
Atlas of Peculiar Galaxies

Halton C. Arp[Updated 6 years ago]


Wikipedia: Halton C. Arp

Halton C. Arp[Updated 6 years ago]