HDF5 "h5_objref.h5" {
GROUP "/" {
   GROUP "A" {
   }
   DATASET "B" {
      DATATYPE  H5T_IEEE_F32LE
      DATASPACE  SIMPLE { ( 2, 6 ) / ( 2, 6 ) }
   }
   DATASET "R" {
      DATATYPE  H5T_REFERENCE
      DATASPACE  SIMPLE { ( 2 ) / ( 2 ) }
   }
}
}