Schilling, Govert.
The Hunt for Planet X New Worlds and the Fate of Pluto / [electronic resource] : by Govert Schilling. - New York, NY : Springer New York, 2009. - digital.
9780387778051
10.1007/978-0-387-77805-1 doi
Physics.
Planetology.
Astronomy.
Physics.
Astronomy, Observations and Techniques.
Popular Science in Astronomy.
Planetology.
QB4
520
The Hunt for Planet X New Worlds and the Fate of Pluto / [electronic resource] : by Govert Schilling. - New York, NY : Springer New York, 2009. - digital.
9780387778051
10.1007/978-0-387-77805-1 doi
Physics.
Planetology.
Astronomy.
Physics.
Astronomy, Observations and Techniques.
Popular Science in Astronomy.
Planetology.
QB4
520