Before revision: Columbus System Specification (COL-ESA-RQ-001, iss.4/B, 15.01.2004) Columbus Design Spec (COL-RIBRE-SPE-0028, iss.10/F, 25.06 .2004
After revision: Columbus System Specification (COL-ESA-RQ-001, iss.4/B, 15.01.2004) Columbus Design Spec (COL-RIBRE-SPE-0028, iss.10/F, 06.25 .2004