Arrain-begi objektibo (Basque Wikipedia)

Analysis of information sources in references of the Wikipedia article "Arrain-begi objektibo" in Basque language version.

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(Ingelesez) Kingslake, Rudolf. (1989-10-28). A history of the photographic lens. , 145–150 or. ISBN 9780124086401..
(Ingelesez) Ray, Sidney. (1999). Scientific Photography and Applied Imaging. Burlington, Massachusetts: Focal Press, 535 or. ISBN 978-0-240-51323-2..

Hill, Robin. (1924ko uztaila). «A lens for whole sky photographs» Quarterly Journal of the Royal Meteorological Society 50 (211): 227–235. doi:10.1002/qj.49705021110. Bibcode: 1924QJRMS..50..227H..
Miyamoto, Kenro. (1964). «Fish Eye Lens» Journal of the Optical Society of America 54 (8) doi:10.1364/JOSA.54.001060..
Beck, Conrad. (1925). «Apparatus to photograph the whole sky» Journal of Scientific Instruments 2 (4): 135–139. doi:10.1088/0950-7671/2/4/305..

Hill, Robin. (1924ko uztaila). «A lens for whole sky photographs» Quarterly Journal of the Royal Meteorological Society 50 (211): 227–235. doi:10.1002/qj.49705021110. Bibcode: 1924QJRMS..50..227H..