@article {MR3216012,
	title = {Negative Pisot and Salem numbers as roots of Newman polynomials},
	journal = {Rocky Mountain J. Math.},
	volume = {44},
	year = {2014},
	pages = {113{\textendash}138},
	issn = {0035-7596},
	doi = {10.1216/RMJ-2014-44-1-113},
	url = {http://dx.doi.org/10.1216/RMJ-2014-44-1-113},
	author = {Hare, Kevin G. and Mossinghoff, Michael J.}
}
