24:19 duration 24 minutes 19 seconds
The New Arizona Civil War: The Battle Concerning…
The New Arizona Civil War: The Battle Concerning a Paid Martin Luther King, Jr. Holiday | 2 of 2 | 90025dcr-2
http://dlg.galileo.usg.edu/peabody/id:1990_90025_dcr_2
56:15 duration 56 minutes 15 seconds
Dr. Richard Hofstetter
Northern Arizona University “Effects of the host plant on symbiotic associates of bark beetles.”