http://dewey.info/scheme/a14/ en
523.4 Planets, asteroids, trans-Neptunian objects of solar system
523.43 Mars
http://dewey.info/scheme/a14/ vi
523.4 Hành tinh
523.43 Sao Hoả
http://dewey.info/scheme/a14/ it
523.4 Pianeti
523.43 Marte
http://dewey.info/scheme/edition/e23/ en
523.4 Planets, asteroids, trans-Neptunian objects of solar system
523.43 Mars
523.431 Mars (Planet)--gravity 523.432 Optical properties--Mars (Planet)
http://dewey.info/scheme/edition/e22/ de
523.4 Planeten, Asteroiden, transneptunische Objekte des Sonnensystems
523.43 Mars
523.431 Mars (Planet)—Schwerkraft 523.432 Optische Eigenschaften—Mars (Planet)
Dewey Decimal Classification
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