The problem seems to be query order dependent.
This works:
http://bark.cwmars.org/eg/opac/results?query=kronos+author|personal[Glass%2C+Philip.]+filter_group_entry(12)
This doesn't:
http://bark.cwmars.org/eg/opac/results?query=kronos+filter_group_entry(12)+author|personal[Glass%2C+Philip.]
The problem seems to be query order dependent.
This works:
http:// bark.cwmars. org/eg/ opac/results? query=kronos+ author|personal[ Glass%2C+ Philip. ]+filter_ group_entry( 12)
This doesn't:
http:// bark.cwmars. org/eg/ opac/results? query=kronos+ filter_ group_entry( 12)+author|personal[ Glass%2C+ Philip. ]