Feature models ...

Look in the Development folder for the Spec/Design document

Use case template

SysML

http://www.ibm.com/developerworks/rational/library/aug06/balmelli/

http://www.ibm.com/developerworks/rational/library/sep06/balmelli/index.html?S_TACT=105AGX52&S_CMP=cn-a-r

http://www.ibm.com/developerworks/rational/library/oct06/balmelli/

www.eclipse.org

www.topcased.org