UBVR observations of the symbiotic star ZZ CMi
Yordanova, Galina, Marchev, Dragomir, Borisov, Borislav, Atanasova, Teodora, Petrov, Samuil
Second Version of SpectraView for Spectra Analysis
Marchev, Dragomir, Dimitrov, Georgi, Pavlova, Nataliya, Vasileva, Doroteq, Borisov, Borislav, Atanasova, Teodora, Marchev, Vladislav
SpectraView 1.0 – 2D visualization of stellar spectra
Marchev, Dragomir, Dimitrov, Georgi, Pavlova, Nataliya, Stoyanov, Borislav
For optical flickering in symbiotic star MWC 560
Marchev, Dragomir, Stoyanov, Kiril, Marchev, Vladislav, Zamanov, Radoslav, Borisov, Borislav, Vasileva, Doroteq, Atanasova, Teodora, Pavlova, Nataliya