Palermo Astronomical Observatory (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Palermo Astronomical Observatory" in English language version.

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1kostenlose-fotos.eu

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1semanticscholar.org

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doi.org

Chinnici, Ileana (2009). "The Relationship Between the Ramsden Circles at Palermo and Dunsink". Journal for the History of Astronomy. 40 (3): 321–333. Bibcode:2009JHA....40..321C. doi:10.1177/002182860904000304. S2CID 120879418.

harvard.edu

ui.adsabs.harvard.edu

Anita, McConnell (2013). "Jesse Ramsden: the Craftsman who Believed that Big was Beautiful". The Antiquarian Astronomer. 7. Society for the History of Astronomy: 41–53. Bibcode:2013AntAs...7...41M.
Chinnici, Ileana (2009). "The Relationship Between the Ramsden Circles at Palermo and Dunsink". Journal for the History of Astronomy. 40 (3): 321–333. Bibcode:2009JHA....40..321C. doi:10.1177/002182860904000304. S2CID 120879418.

kostenlose-fotos.eu

"Mummies in Palermo: a criminal biologist pictures in the darkest places in the world". Retrieved 2017-06-12.

nasa.gov

dawn.jpl.nasa.gov

Ceres: Keeping Well-Guarded Secrets for 215 Years http://dawn.jpl.nasa.gov/news/news-detail.html?id=4824

semanticscholar.org

api.semanticscholar.org

Chinnici, Ileana (2009). "The Relationship Between the Ramsden Circles at Palermo and Dunsink". Journal for the History of Astronomy. 40 (3): 321–333. Bibcode:2009JHA....40..321C. doi:10.1177/002182860904000304. S2CID 120879418.

unipa.it

astropa.unipa.it

"OAPa INAF Osservatorio Astronomico – "Giuseppe Salvatore Vaiana"".