Pitkethly, Jane <br/><br/>
Dualisability: Unary algebras and beyond 
Jane Pitkethly and Brian Davey 
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 - Springer Science Business Media,Inc  2005 
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 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical logic-- Mathematics
<br/><br/><label>Dewey Class. No.: </label>511.3  PIT-D