1. Barometric pressures at extreme altitudes on Mt Everest: physiological significance;West;J Appl Physiol,1983
2. Human cerebral function at extreme altitude;Townes,1984
3. Psycho-physiological studies at high altitude in the Andes;McFarland;J Comp Physiol,1937
4. Variations in psychomotor efficiency during prolonged stay at high altitude;Sharma;Ergonomics,1975
5. Ethnic variations m psychological performance under altitude stress;Sharma;Aviat Space Environ Med,1976