1. 1Sedej,D.:NeutralBuoyancyLaboratoryTestIntegrationProcedure.DX12-SLP-015,Rev.A,2012.
2. 2Haas,J.:DXChangeRequestProcess.DX-006,Rev.A,2011.
3. 3Montgomery,K.:NBLMockupandTrainingHardwareRequirements.DX12-SLP-014,Rev.B,2010.
4. 4Sedej,D.:NBLStandardOperatingPlan.DX12-POL-002,Rev.A,2009.
5. 5Johnson Space Center Neutral Buoyancy LaboratoryWebsite, http://dx12.jsc.nasa.gov/site/index.shtml [cited July2012].