title: ISS crew evolution.
authors.forename: Sergei
authors.initials: S
authors.lastname: Krikalev
mesh_terms: D018480:Astronauts; D006801:Humans; D007391:International Cooperation; D010560:Personnel Selection; D012426:Russia; D013026:Space Flight; D018531:Spacecraft; D014481:United States; D014893:Weightlessness