by Howett, David, Busse, Michael P, Rawlinson, David, Burkett, Jeff, Dolan, Tim, Hershtig, Rafi, King, Douglas
Published in Microwave Journal (01.11.2014)

by MANTELL JON, BURKETT JEFF, GELICK ROBERT
Year of Publication 18.09.2014

by Boone, James L, Ott, Kathy, Burkett, Jeff, Menees, Carol
Published in National parks (Washington, D.C.) (22.09.2014)