1. C.D. Aliprantis, O. Burkinshaw, Positive operators, Academic Press Inc., London (1985).
2. G. Buskes, A.C.M. van Rooij, The vector lattice cover of certain partially ordered groups, J. Austral. Math. Soc. (Series A) 54(1993), 352–367.
3. O. van Gaans, Seminorms on ordered vector spaces, Ph.D. thesis, University of Nijmegen, 1999.
4. O. van Gaans, A. Kalauch, Disjointness in partially ordered vector spaces, Positivity 10(2006), no. 3, 573–589.
5. O. van Gaans, A. Kalauch, Bands in pervasive pre-Riesz spaces, Oper. Matrices, (to appear).