[4] Celani, S. A.: 
Topological representation of distributive semilattices. Sci. Math. Jpn. 58 (2003), 55-65. 
MR 1987817 | 
Zbl 1041.06002[8] Chajda, I., Halaš, R.: 
An example of a congruence distributive variety having no near-unanimity term. Acta Univ. M. Belii, Ser. Math. 13 (2006), 29-31. 
MR 2353310 | 
Zbl 1132.08002[9] Chajda, I., Halaš, R., Kühr, J.: 
Semilattice Structures. Research and Exposition in Mathematics 30. Heldermann Verlag, Lemgo (2007). 
MR 2326262 | 
Zbl 1117.06001[10] Chajda, I., Kolařík, M.: 
Ideals, congruences and annihilators on nearlattices. Acta Univ. Palacki. Olomuc., Fac. Rerum Natur. Math. 46 (2007), 25-33. 
MR 2387490 | 
Zbl 1147.06002[13] Cornish, W. H.: 
Quasicomplemented lattices. Commentat. Math. Univ. Carolinae 15 (1974), 501-511. 
MR 0354468 | 
Zbl 0293.06006[18] Stone, M. H.: 
Topological representations of distributive lattices and Brouwerian logics. Čas. Mat. Fys. 67 (1937), 1-25. 
Zbl 0018.00303