Halley's Comet (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Halley's Comet" in Simple English language version.

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1,221^st place

2,838^th place

3,600^th place

annualreviews.org

Mendis D.A. 1988. A postencounter view of comets. Annual Review of Astronomy and Astrophysics 26 (1): 11–49. [1]^{[permanent dead link]}

Keller H.U. et al 2005. In situ observations of cometary nuclei. In M. Festou, H.U. Keller, and H.A. Weaver (eds). Comets II. University of Arizona Press. pp. 211–222. [2] ISBN 978-0-8165-2450-1