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SysML Specifications
Current Specification: OMG SysML v. 1.2 [Jun 2010]
Latest minor revision of the OMG SysML 1.1 specification that includes change bars.
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Also available as OMG document formal/10-06-02Previous SysML specifications
A comprehensive listing of previous SysML specifications, starting with SysML 0.9 is available on the Specifications page of SysML.org.