Grzegorz Pietrzyński
professor at Nicolaus Copernicus
Astronomical Center
phone: +48 22 3296137
pietrzyn.at.camk.edu.pl
lang.: Polish, English, Spanish
Wolfgang Gieren
professor at University
of Concepción
phone: +56 41 220 3103
gieren.at.astro-udec.cl
lang.: German, English, Spanish
General
Nicolaus Copernicus
Astronomical Center
of the Polish Academy of Sciences
https://www.camk.edu.pl
e-mail: camk.at.camk.edu.pl
phone: +48 22 8410041
phone: +48 22 3296100
fax: +48 22 8410046
ul. Bartycka 18
00-716 Warszawa
POLAND