1. Primary decompositions in lattices

   • J. A. Stern

   OriginalPaper Pages: 307 - 313

2. The Frattini sublattice of a finite distributive lattice

   • M. Abad
   • M. E. Adams

   OriginalPaper Pages: 314 - 329

3. On upper continuous and semimodular lattices

   • M. Ramalho

   OriginalPaper Pages: 330 - 340

4. The generalized doubling construction and formal concept analysis

   • W. Geyer

   OriginalPaper Pages: 341 - 367

5. Equational bases for varieties of Ockham algebras

   • M. E. Adams
   • H. A. Priestley

   OriginalPaper Pages: 368 - 397

6. The poset structure of positive implicative BCK-algebras

   • F. Guzmán

   OriginalPaper Pages: 398 - 406