Karya dipetik Meridian

Karya dipetik Meridian_Perdana

Burgess, Ebenezer (1860), "Translation of the Surya-Siddhanta", Journal of the American Oriental Society (e book), 6, Google (diterbitkan c. 2013), m/s. 185
Dolan, Graham (2013a). "The Greenwich Meridian before the Airy Transit Circle". The Greenwich Meridian.
Dolan, Graham (2013b). "WGS84 and the Greenwich Meridian". The Greenwich Meridian.
Hooker, Brian (2006), A multitude of prime meridians, dicapai 13 January 2013
Howse, Derek (1997), Greenwich Time and the Longitude, Phillip Wilson, ISBN 0-85667-468-0
Norgate, Jean; Norgate, Martin (2006), Prime meridian, dicapai 13 January 2013
NGS datasheet station name form, National Geodetic Survey, 2016, dicapai 11 December 2016
Sobel, Dava; Andrewes, William J. H. (1998), The Illustrated Longitude, Fourth Estate, London

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