AAVSO -- The Power of Archival Astronomy [https://www.aavso.org/apps/jaavso/article/2021/] - 2019-07-10 13:48:22 - public:GustavHolmberg timedomainastronomy - 1 | id:264242 -
2-4 m telescopes in Europe [http://www.not.iac.es/news/reports/etsrc_final_report_may10.pdf] - 2015-01-16 00:00:00 - public:GustavHolmberg delicious, shuttingdownscience, surveyastronomy, surveys, timedomainastronomy - 5 | id:273812 -
