Percobaan Bedford Level (Indonesian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Percobaan Bedford Level" in Indonesian language version.

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archive.org

Garwood, Christine (2007). Flat Earth. Macmillan. hlm. 104–125. ISBN 0-312-38208-1.
Rowbotham, Samuel (1863). Zetetic Astronomy. hlm. 11.
"The Rotundity of the Earth". Nature. 1 (23): 581. 7 April 1870. Bibcode:1870Natur...1..581.. doi:10.1038/001581a0.
Michell, John (1984). Eccentric Lives and Peculiar Notions. London: Thames and Hudson. ISBN 0-500-01331-4.
Lynch, David K; Livingston, William (2001). Color and Light in Nature. New York: Cambridge University Press. ISBN 0-521-77504-3.
Naylor, John (2002). "Mirages". Out of the Blue A 24-Hour Skywatcher's Guide. Cambridge, England: Cambridge University Press. ISBN 0-521-80925-8.

books.google.com

Wallace, Alfred Russel (1908). My Life. hlm. 368–9.

celnav.de

Umland, Henning. "A short guide to Celestial Navigation". Diakses tanggal 14 November 2010.

doi.org

"The Rotundity of the Earth". Nature. 1 (23): 581. 7 April 1870. Bibcode:1870Natur...1..581.. doi:10.1038/001581a0.
Richards-Jones, P (1968). "Astronomy at O level". Physics Education. 3 (1): 35–39. Bibcode:1968PhyEd...3...35R. doi:10.1088/0031-9120/3/1/310. ISSN 0031-9120.

harvard.edu

adsabs.harvard.edu

"The Rotundity of the Earth". Nature. 1 (23): 581. 7 April 1870. Bibcode:1870Natur...1..581.. doi:10.1038/001581a0.
Richards-Jones, P (1968). "Astronomy at O level". Physics Education. 3 (1): 35–39. Bibcode:1968PhyEd...3...35R. doi:10.1088/0031-9120/3/1/310. ISSN 0031-9120.

lhup.edu

Simanek, Donald E. (2003). "Turning the Universe Inside-Out". Lock Haven University of Pennsylvania. Diarsipkan dari versi asli tanggal 21 November 2007. Diakses tanggal 2 November 2007.

nytimes.com

query.nytimes.com

"The Form of the Earth: A Shock of Opinions" (PDF). The New York Times. 10 August 1871. Diakses tanggal 2 November 2007.

sacred-texts.com

'Parallax' (pseud. Samuel Birley Rowbotham) (1881), "Chapter II: Experiments Demonstrating the True Form of Standing Water, and Proving the Earth to be a Plane", Zetetic Astronomy, via sacred-texts.com

web.archive.org

Simanek, Donald E. (2003). "Turning the Universe Inside-Out". Lock Haven University of Pennsylvania. Diarsipkan dari versi asli tanggal 21 November 2007. Diakses tanggal 2 November 2007.

worldcat.org

The Association for Science Education (1942). School Science Review. London: John Murray. 24: 120. ISSN 0036-6811. Tidak memiliki atau tanpa |title= (bantuan)
Richards-Jones, P (1968). "Astronomy at O level". Physics Education. 3 (1): 35–39. Bibcode:1968PhyEd...3...35R. doi:10.1088/0031-9120/3/1/310. ISSN 0031-9120.