code: def to_all_parts
        me = DeepClone.clone(self)
        me.disable_id_attribute
        @relations << DocumentRelation.new(type: "partOf", identifier: nil, url: nil, bibitem: me)
        @title.each(&:remove_part)
        @abstract = []
        @docidentifier.each(&:remove_part)
        @docidentifier.each(&:all_parts)
        @all_parts = true
      end
docs: remove title part components and abstract