by Ray E. Lamond James P. Shroyer
by William Heer Scott A. Staggenborg James P. Shroyer
by Stewart Duncan Paul D. Ohlenbusch James P. Shroyer
by James P. Shroyer Dale L. Fjell Steve L. Watson
by Ray E. Lamond Robert L. Bowden James P. Shroyer
by William Heer Kraig L. Roozeboom James P. Shroyer
by Dallas E. Peterson David A. Whitney James P. Shroyer
by Gary M. Paulsen Merrel E. Mikesell James P. Shroyer
by Kevin C. Dhuyvetter Dale L. Fjell James P. Shroyer
by James P. Shroyer Terry J. Martin Allan K. Fritz
by James P. Shroyer Allan K. Fritz Terry J. Martin
by Dale F. Leikam James P. Shroyer Scott A. Staggenborg
by Brian L. S. Olson Alan Schlegel James P. Shroyer
by James P. Shroyer Erick D. De Wolf
by Stewart Duncan Douglas E. Shoup William Bockus Rachel Eddy Erick D. De Wolf James P. Shroyer
by Allan K. Fritz James P. Shroyer Guorong Zhang Terry J. Martin
by James P. Shroyer Allan K. Fritz Guorong Zhang Terry J. Martin
by Terry J. Martin Allan K. Fritz James P. Shroyer Guorong Zhang
by James P. Shroyer Guorong Zhang Erick D. De Wolf Allan K. Fritz