Ноктурлабиум (Russian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ноктурлабиум" in Russian language version.

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archive.org

Wynter H., Turner A. Scientific Instruments. — Studio Vista, 1975. — ISBN 0-289-70403-0.

doi.org

dx.doi.org

Bruce Stansfield Eastwood. Astronomy in Chritian Latin Europe c. 500-c. 1150 (англ.) // Journal for the History of Astronomy. — 1997. — Vol. 28, iss. 3. — P. 235—258. — doi:10.1177/002182869702800303.