2007
Bowles, Marlin L., Jacobs, Karel, Mengler, Jeff
2012
Scharenbroch, Bryant C., Jacobs, Karel, Bowles, Marlin L.
2000
Jacobs, Karel, Bowles, Marlin L., Zettler, Lawrence W.
2002
Bowles, Marlin L., Jacobs, Karel, Zettler, Lawrence W.