@misc{Rados_Ivan_Availability,
 author={Rados, Ivan},
 howpublished={online},
 publisher={Instytut Łączności - Państwowy Instytut Badawczy, Warszawa},
 language={ang},
 title={Availability analysis and comparison of different WDM systems, Journal of Telecommunications and Information Technology, 2007, nr 2},
 type={artykuł},
 keywords={WDM, protection, wavelength channel, availability},
}