The structure of free abelian l-groups and free vector lattices Michael R. Darnel OriginalPaper Pages: 99 - 110
Interpolation and the Robinson property for logics not closed under the Boolean operations H. Ono OriginalPaper Pages: 111 - 122
Equational bases for some varieties of orthomodular lattices related to states René Mayet OriginalPaper Pages: 167 - 195
Varieties of lattice-ordered groups in which prime powers commute W. Charles HollandAlan H. MeklerNorman R. Reilly OriginalPaper Pages: 196 - 214
