1. Categorical characterization of the MacNeille completion;Banachewski;Arch. Math.,1967
2. Residuation Theory;Blyth,1970
3. Möbius inversion in lattices;Crapo;Arch. Math.,1968
4. Retracts of partially ordered sets;Duffus,1977
5. Retracts and the fixed point problem for finite partially ordered sets;Duffus,1977