components = element.getChildElements(Source.getName(version), namespace);
for (int i = 0; i < components.size(); i++)
_sources.add(new Source(components.get(i)));
components = element.getChildElements(Type.getName(version), namespace);
for (int i = 0; i < components.size(); i++)
_types.add(new Type(components.get(i)));
components = element.getChildElements(Creator.getName(version), namespace);
for (int i = 0; i < components.size(); i++)
_creators.add(new Creator(components.get(i)));
components = element.getChildElements(Publisher.getName(version), namespace);
for (int i = 0; i < components.size(); i++)