Strughold, Hubertus2018-04-252018-04-251958http://hdl.handle.net/2152.3/8278A presentation by Dr. Berry at the International Astronautical Federation in The Hague, 1959, this document with cover sheet titled Bioastronautics - Advances in Research, contains a paper written by Hubertus Strughold, M.D., Ph.D.Dr. Charles BerryHubertus StrugholdSpace MedicineBioastronauticsDefinitions and Subdivisions of SpaceInternational Astronautical Federation