Bespalko V., Boole E., Buraks I., Vershinin A., Spunde R. The event timer A033-ET family for SLR automation “2017 ILRS Technical Workshop, October 2 – 5 in Riga, Latvia”
Posteris NASA datubāze:
https://cddis.nasa.gov/2017_Technical_Workshop/docs/posters/ilrsTW2017_s3_Bespalko_poster.pdf