References
1. HDF5 Abstract Data Model, http://hdf.ncsa.uiuc.edu/HDF5/ADM_990506/
2. Suggested Use Cases for XML with HDF-5, http://hdf.ncsa.uiuc.edu/HDF5/XML/UseCases/use-cases.html
3. HDF5-File.dtd, http://hdf.ncsa.uiuc.edu/HDF5-File.dtd
4. HDF Java Tools, http://hdf.ncsa.uiuc.edu/java-hdf5-html
5. A DTD for HDF5: Design Notes,
http://hdf.ncsa.uiuc.edu/HDF5/XML/dtd-report.html