G. Beitel

Alieva, E. V., Beitel, G. ., Kuzik, L. A., Sigarev, A. A., Yakovlev, V. A., Zhizhin, G. N., … van der Wiel, M. J. (1998). Linear and nonlinear FEL-SEW spectroscopic characterization of nanometer-thick films. Journal of Molecular Structure, 449, 119-129. https://doi.org/10.1016/s0022-2860(98)00456-6 (Original work published)

Alieva, E. V., Beitel, G. ., Kuzik, L. A., Sigarev, A. A., Yakovlev, V. A., Zhizhin, G. N., … van der Wiel, M. J. (1997). Linear and nonlinear FEL-SEW spectroscopic characterization of nanometer-thick films. Applied Spectroscopy, 51, 584-591. https://doi.org/10.1366/0003702971940657 (Original work published 2025)