| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Lasers and Their Applications: Proceedings of the 4th Summer School on Quantum Electronics, "Lasers&Their Applications" Sept 29 to Oct 4 1986 Sunny | 978-9971-5-0320-8 (9971-5-0320-4) | 1987 | |
| Lasers: Physics and Applications: Proceedings of the 5th International School on Quantum Electronics, Sunny Beach, Bulgaria, Sept 26-Oct 1., 1988 | 978-9971-5-0810-4 (9971-5-0810-9) | 1989 | |
| Proceedings of the 5th International School on Microwave Physics and Technique | 978-9971-5-0429-8 (9971-5-0429-4) | 1988 | Bulgaria) International School on Microwave Physics and Technique (5th : 1987 : Varna |