You can find quite a bit of information on the net:
NASA's Z-team specializes in aircrew fatigue issues. (http://olias.avc.nasa.gov/zteam)
USAF School of Aerospace Medicine & Armstrong Laboratory, Brooks AFB, TX has both shiftwork and jetlag information available. (http://wwwsam.brooks.af.mil)
FAA Civil Aeromedical Institute has a link to most FAA research on aircrew fatigue. (http://www.cami.jccbi.gov)
You can also contact the following individuals who work for the above listed organizations.
Dr. Mark Rosekind, NASA Ames Research Center - NASA Fatigue Counter Measures program & Z-Team. rosekind_at_eos.arc.nasa.gov
Dr. Jon French, Sustained Operations, Armstrong Laboratory, Brooks AFB, TX - he has been a tremendous help to me in the past. jfrench_at_alcft.brooks.af.mil
Dr. Pam Della Rocco, who specializes in ATC shiftwork and fatigue issues for the FAA at CAMI. pam_dellarocco_at_mmacmail.jccbi.gov
I hope this will be of some help,
Julie Oldenburg
Royal Danish Air Force
Aviation Physiological Training