1. Clark D.M., Davey B.A.: Natural Dualities for the Working Algebraist. Cambridge University Press, Cambridge (1998)
2. Clark D.M., Davey B.A., Willard R.: Not every full duality is strong!. Algebra Universalis 57, 375–381 (2007)
3. Clark D.M., Krauss P.H.: Topological quasi varieties. Acta Sci. Math 47, 3–39 (1984)
4. Davey B.A., Gouveia M.J., Haviar M., Priestley H.A.: Multisorted dualisability: change of base. Algebra Universalis 66, 331–336 (2011)
5. Davey B.A., Haviar M.: A schizophrenic operation which aids the efficient transfer of strong dualitites. Houston J. Math 26, 215–222 (2000)