Multisorted dualisability: change of base
          Davey, B. A.; Gouveia, M. J.; Haviar, M.; Priestley, H. A.  
          
          Algebra Universalis, 66(4) (2011), 331-336  
          http://dx.doi.org/10.1007/s00012-011-0158-8  
           
          We prove that if a quasivariety TeX  generated by a finite family TeX  of finite algebras has a multisorted duality based on TeX, then TeX  has a multisorted duality based on any finite family of finite algebras that generates it.  
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