Integrated optics, fiber optics and holography proceedings of the second International School on Coherent Optics and Holography - Varna'81, 28.09. - 03.10.1981, Varna, Bulgaria
P. Simova, I. Savatinova, L. Tsonev ; House of the Bulgarian Academy of Sciences
- Sofia Publishing House of the Bulgarian Academy of Sciences 1982
- 430 s. res., şkl. 20 cm.