| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Vaguely Defined Objects: Representations, Fuzzy Sets and Nonclassical Cardinality theory | Paperback | 978-94-017-3783-8 (94-017-3783-5) | 2013 |
| Vaguely Defined Objects: Representations, Fuzzy Sets and Nonclassical Cardinality theory | Hardcover | 978-0-7923-3850-5 (0-7923-3850-2) | 1995 |