A third for this special issue is the recurring call to strengthen links between the SM and SMA literatures (Tomkins and Carr, 1996; Nyamori etal., 2001; Bhimani and Langfield-Smith, 2007). Most of the papers in the 1996 special issue on SMA focused 'quite narrowly on formal aspects of SMA analysis...but there is a broader dimension of SMA to pursue' (Tomkins and Carr, 1996,p.272). However over a decade later there is still a need to pursue this broader dimension of SMA.