| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| Unilateral Problems in Structural Analysis IV: Proceedings of the Fourth Meeting on Unilateral Problems in Structural Analysis, Capri, June 14-16, 1 ... Series of Numerical Mathematics, V. 101 | 978-O-8176-2487-3 (O-8176-2487-2)  | 1991 | G. Del Piero |