+ <foreign-project>addressbook-lib-1</foreign-project>
+ <artifact-type>jar</artifact-type>
+ <script>build.xml</script>
+ <target>jar</target>
+ <clean-target>clean</clean-target>
+ <id>jar</id>
+ </reference>
+ <reference>
+ <foreign-project>addressbook-mailer</foreign-project>