Planetary nebulae -- Congresses : Planetary nebulae beyond the Milky Way : proceedings of the ESO Workshop held at Garching, Germany, 19-21 May, 2004 / L. Stanghellini, J.R. Walsh, N.G. Douglas (eds.)
PLANETARY RADIATION. : Preventing the forward contamination of Europa / Task Group on the Forward Contamination of Europa, Space Studies Board, Commission on Physical Sciences, Mathematics, and Applications, National Research Council
Planetary science -- History -- 20th century : The space age generation : lives and lessons from the golden age of solar system exploration / edited by William Sheehan and Klaus Brasch
PLANETARY SURFACES. : Scientific rationale for mobility in planetary environments / Committee on Planetary and Lunar Exploration, Space Studies Board, Commission on Physical Sciences, Mathematics and Applications, National Research Council
1999
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Planetary systems -- See Also the narrower term Solar system
Planetary theory -- Early works to 1800. : On the revolutions of the heavenly spheres / Copernicus ; a new translation from the Latin, with an introd. and notes by A. M. Duncan
