1. Space Station Freedom Data Package, received from Dr Richard Keefe, NASA Headquarters. This data is a compendium of information compiled by Dr Keefe during the SSF program evaluation of cabin and suit pressures. It was not always apparent as to who was the actual author of the material. For acknowledgement purposes, the entire package is referenced in this paper. Where possible, known sources are referenced.
2. Atmosphere selection and environmental control for manned space missions;Parker,1964
3. Biological effects of simulated micrometeoroid penetration of a sealed chamber containing animal specimens;Gell;Aerospace Med.,1962