From the article: https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1026&context=poliscifacpub https://digitalcommons.unl.edu/cgi/viewcontent.cgi?artic

From the article: https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1026&context=poliscifacpub https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1...