| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Many Valued Topology and Its Applications | 978-0-7923-7318-6 (0-7923-7318-9) | 2001 | ||
| Semigroups in Complete Lattices: Quantales, Modules and Related Topics | 978-3-030-07687-0 (3-030-07687-3) | 2019 | Patrik Eklund · Javier Gutiérrez García | |
Ulrich Hall · Ulrich Höhle · Ulrich Hollo · Ulrike Hölle · Ulrike Holle