_diffrn_detector                      ?
_diffrn_detector_area_resol_mean      ?
_diffrn_detector_type                 ?

_diffrn_measurement_device            ?
_diffrn_measurement_device_type       ?
_diffrn_measurement_method            ?

_diffrn_radiation_collimation         ?
_diffrn_radiation_monochromator       ?
_diffrn_radiation_probe               ?
_diffrn_radiation_type                ?
_diffrn_radiation_xray_symbol         ?
_diffrn_radiation_wavelength          ?

_diffrn_source                        ?
_diffrn_source_target                 ?
_diffrn_source_type                   ?