Osorio M. R. Z. et al. 2000. Discovery of Young, Isolated Planetary Mass Objects in the Xi Orionis Star Cluster. Science 290: 103–106.
143
Lemley B. 2002. Nuclear Planet. Discover 23(8).
144
http://www.nuclearplanet.com/.
145
Dulk G. A. et al. 1997. Search for Cyclotron-maser Radio Emission from Extrasolar Planets. Abstracts of the 29th Annual Meeting of the Division for Planetary Sciences of the American Astronomical Society, July 28 – August 1, 1997, Cambridge, Massachusetts.
