+
+<!ELEMENT working-package EMPTY>
+<!ATTLIST working-package
+ file CDATA #REQUIRED>
+
+<!ELEMENT leader-site EMPTY>
+<!ATTLIST leader-site
+ file CDATA #REQUIRED>
+
+<!ELEMENT extimated-person-month EMPTY>
+<!ATTLIST extimated-person-month
+ value CDATA #REQUIRED>
+
+<!ELEMENT type EMPTY>
+<!ATTLIST type
+ value (report|prototype) #REQUIRED>
+
+<!ELEMENT to-be-delivered (#PCDATA)>