, 2007a, 'Controversies of information discovery', Knowledge, Technology & Policy 20 (2), 83-90.
, 2007b, 'Seeing through technology', Knowledge, Technology & Policy 20 (3), 131-139.
, 2007c, 'Technology and touch', Knowledge, Technology & Policy 20 (4), 221-229.
, 2007d, 'Ubicomp: fifteen years on', Knowledge, Technology & Policy 20 (1), 3-10.