(2008)

(Bennett et al, 2007)

(Bennett et al, 2007)

(Bennett, et al., 2011)

(Bennet et al., 2004)

(Bennet et al., 2008)

(Burger, Chard, Jackson, Kennedy, Renfro, Scheer, Waits Bennett, 2007)

(Bennett et al, 2007)

(Bennett, et al., 2011)

(Bennet et al., 2004)

(Bennett et al, 2007)

(Bennett et al, 2007)

(Bennett, et al., 2011)

(Burger et. al., 2007)

(Burger et al., 2008)

(Larson et al., 2011)

(Burger et al., 2007)

(Larson et al., 2010)

(Schultz et al., 2004)

(Burger et. al., 2007)

(2013)

(Burger et. al., 2007)

(2001)

(2001)

(2007)

(2013)

(2008)

(Larson et al., 2010)

(Larson et al., 2011)

(Hungerford et al., 2007)

(Affatigato et al., 2006)

(2012)

(Berry et. al., 2004)

(Katy Z. Allen et al, 2007)

(2006)

(2007)

(Berry et al., 2007)

(2007)

(Katy et al., 2007)

(2007)

(2007)

(Allen et. al., 2004)

(Katy Z. Allen et al, 2007)

(Borgford et. al., 2004)

(Katy Z. Allen et al, 2007)

(2012)

(2012)

(2012)

(2012)

(2006)

(Affatigato et al., 2006)

(2012)

(Affatigato et al., 2006)

(2012)

(Johnson et. al., 2004)

(Johnson and Raven, 2006)

(Heithaus and Desalle, 2008)

(Nowicki, 2012)

(Myers et. al., 2004)

(Myers, 2006)

(2005)

(2008)

(Arms, 2008)

(Stephan Norwicki, 2012)

(Faughn and Serway, 2014)

(Allen, Berg, Dusheck, Taylor, 2001)

(Postlethwait and Hopson, 2006)

(Holt, Rinehart, and Winston, 2006)

(Postlethwait and Hopson, 2009)

(Raymond E. Davis, Regina Frey, Mickey Sarquis, Jerry L. Sarquis, 2006)

(Serway and Faughn, 2009)

(Desalle, Heithaus, 2008)