http://aco.muhlenberg.edu/documents/FieldJournaltowers-windows2005.pdf To see other research papers on this topic, go to: http://aco.muhlenberg.edu/Research_Papers.htm William P. Mueller Milwaukee (414) 698-9108 (262) 638-0735 E-mail: iltlawas@xxxxxxxxxxxxx Work e-mail: bmueller@xxxxxxxxxxxxxxxxxxxx On the web: http://home.earthlink.net/~iltlawas/ Blog: http://bluebirdslaugh.blogspot.com #################### You received this email because you are subscribed to the Wisconsin Birding Network (Wisbirdn). To UNSUBSCRIBE or SUBSCRIBE, use the Wisbirdn web interface at: //www.freelists.org/list/wisbirdn. To set DIGEST or VACATION modes, use the Wisbirdn web interface at: //www.freelists.org/list/wisbirdn. Visit Wisbirdn ARCHIVES at: //www.freelists.org/archives/wisbirdn.