public String contentInformation() {
    String EROName = "[" + NAME;
    String subObjectsName = new String();

    for (EROSubobjects address : traversedVertexList) {
      subObjectsName = subObjectsName + address.contentInformation();
    }

    return EROName + subObjectsName + "]";
  }
  public String getObjectBinaryString() {

    StringBuffer subObjectsStringBuffer = new StringBuffer();

    for (int i = 0; i < traversedVertexList.size(); i++) {
      EROSubobjects address = traversedVertexList.get(i);
      subObjectsStringBuffer.append(address.getObjectBinaryString());
    }

    return subObjectsStringBuffer.toString();
  }