Use Cases for the first UBL-Ontology project    (B9C)

Candidate Use Cases    (B9D)

References    (B9K)

      http://www.csc.com/aboutus/lef/mds69_off/uploads/lefecom.pdf    (B9S)
      http://www.parlezuml.com/tutorials/usecase/intro.htm    (B9U)