Ozolins, Oskars, Ilja Trifonovs, Rolands Parts, and Vjaceslavs Bobrovs. 2015. “All-Optical NRZ-to-PRZ Format Conversion Limitations Using Notch Filters”. Elektronika Ir Elektrotechnika 21 (1):64-69. https://doi.org/10.5755/j01.eee.21.1.9807.