Observatory Sites and Networks: ‘Living and working at the observatory’ | Royal Museums Greenwich [https://www.rmg.co.uk/collections/research/observatory-sites-networks-living-working-observatory] - 2022-03-17 16:04:45 - public:GustavHolmberg observatorier - 1 | id:1062394 -
Pic du Midi, One Hundred Years of Life and Science at a High Altitude Observator... [http://www.amazon.co.uk/Hundred-Years-Science-Altitude-Observatory/dp/2350801438/ref=sr_1_1?ie=UTF8&qid=1423731577&sr=8-1&keywords=pic+du+midi] - 2015-02-12 00:00:00 - public:GustavHolmberg astronomihistoria, delicious, observatorier - 3 | id:273797 -
Pic du Midi, One Hundred Years of Life and Science at a High Altitude Observator... [http://www.amazon.co.uk/Hundred-Years-Science-Altitude-Observatory/dp/2350801438] - 2015-02-07 00:00:00 - public:GustavHolmberg delicious, observatorier - 2 | id:273800 -