Digging into Use Case Relationships.

Gonzalo Génova Juan Lloréns Víctor Quintana Digging into Use Case Relationships. 115-127 2002 conf/uml/2002 UML http://link.springer.de/link/service/series/0558/bibs/2460/24600115.htm db/conf/uml/uml2002.html#GenovaLQ02