Waz, A. T., Dudzik, G., Kaczmarek, P. R., & Abramski, K. M. (2014). Multichannel WDM vibrometry at 1550 nm. Photonics Letters of Poland, 6(4), pp. 133–135. https://doi.org/10.4302/photon. lett. pl.v6i4.528