The Oxford Handbook of Comparative Constitutional Law (Oxford University Press, 2012) 481, 497. 47 Reference re Secession of Quebec, para. 90. 48 J McGarry, ‘Asymmetrical Autonomy in the United Kingdom’ in M Weller and K Nobbs (eds), Asymmetric Autonomy and the Settlement of Ethnic Conflicts (University of Pennsylvania Press 2010) 148, 156. 49 The Belfast Agreement: An Agreement Reached at the Multi-Party Talks on Northern Ireland, N.