@article {2007ApJ...657..533W,
	title = {Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars},
	journal = {\apj},
	volume = {657},
	number = {1},
	year = {2007},
	month = {mar},
	pages = {533-545},
	keywords = {Astrophysics, stars: planetary systems, techniques: radial velocities},
	doi = {10.1086/510553},
	author = {Wright, J.~T. and Marcy, G.~W. and Fischer, D.~A. and Butler, R.~P. and Vogt, S.~S. and Tinney, C.~G. and Jones, H.~R.~A. and Carter, B.~D. and Johnson, J.~A. and McCarthy, C. and Apps, K.}
}
