by Kimbrough, Sue, Hays, Michael, Preston, Bill, Vallero, Daniel A, Hagler, Gayle S.W
Published in Environmental science & technology (05.01.2016)

by Spence, Porché L., Walker, John T., Robarge, Wayne P., Preston, Bill, Osmond, Deanna L.
Published in Urban ecosystems (01.12.2015)

by Preston, Bill
Published in Science news (Washington) (29.03.1997)

by Chris Cuomo, Alisyn Camerota, Boris Sanchez, Mark Preston, Bill Carter, Brian Stelter
Published in New Day (31.10.2016)

by Chris Cuomo, Alisyn Camerota, Michaela Pereira, Clarissa Ward, Michael Smerconish, Mark Preston, Bill Carter, Alina Machado
Published in New Day (30.10.2015)

by Preston, Bill
Published in The Vancouver sun (1986) (02.01.2010)

by Preston, Bill
Published in Globe and mail (29.07.2006)

by Preston, Bill
Published in Outdoor life (New York, N.Y.) (01.09.2011)

by Preston, Bill
Published in Walls & ceilings (01.04.2008)

by Preston, Bill
Published in National Catholic Reporter (01.07.1994)

by Baldwin, Brooke, Preston, Bill, Tapper, Jake
Published in CNN Newsroom (30.11.2016)

by W. L. "Bill" Preston
Published in Chatham daily news (03.03.2004)

by Mike Preston and Bill Glauber
Published in The Sun (Baltimore, Md. : 1837) (05.08.1992)

by Marc Bouchard, Doug Brown, Mike Preston and Bill Tanton
Published in The Sun (Baltimore, Md. : 1837) (26.02.1993)

by By Jennifer Preston. STAFF WRITER. Bill Murphy
Published in Newsday (02.10.1990)

by Bill Glauber and Mike Preston
Published in The Sun (Baltimore, Md. : 1837) (03.08.1992)

by Bill Glauber and Mike Preston The Associated Press contributed to this article
Published in The Sun (Baltimore, Md. : 1837) (02.02.1994)