@techreport{cba07e9578174119b71c51188caeaf8b,
title = "The Integral Trees with Spectral Radius 3",
abstract = "There are eleven integral trees with largest eigenvalue 3.",
keywords = "Integral graphs, graph spectra, trees",
author = "A.E. Brouwer and W.H. Haemers",
note = "Subsequently published in Linear Algebra and its Applications, 2008 Pagination: 10",
year = "2007",
language = "English",
volume = "2007-84",
series = "CentER Discussion Paper",
publisher = "Operations research",
type = "WorkingPaper",
institution = "Operations research",
}