Bibliography Details
Parkerson, Stuart. “Edward R. Byers Company to End Production of Astronomy Mounts After More Than 60 Years in Business.” Astronomy Technology Today, March 12, 2019. https://astronomytechnologytoday.com/2019/03/12/edward-r-byers-company-to-end-production-of-astronomy-mounts-after-more-than-60-years-in-business/.
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