Archived copy of Proceedings of the Indiana Academy of Science, 2009, Volume 118, Number 2
Archived copy of Proceedings of the Indiana Academy of Science, 2009, Volume 118, Number 1
Archived copy of Proceedings of the Indiana Academy of Science, 2008, Volume 117, Number 2
Archived copy of Proceedings of the Indiana Academy of Science, 2008, Volume 117, Number 1
Archived copy of Proceedings of the Indiana Academy of Science, 2007, Volume 116, Number 2
Archived copy of Proceedings of the Indiana Academy of Science, 2007, Volume 116, Number 1
Archived copy of Proceedings of the Indiana Academy of Science, 2006, Volume 115, Number 2
Archived copy of Proceedings of the Indiana Academy of Science, 2006, Volume 115, Number 1
Archived copy of Proceedings of the Indiana Academy of Science, 2005, Volume 114, Number 2
Archived copy of Proceedings of the Indiana Academy of Science, 2005, Volume 114, Number 1