@Book{Angermann2004,
author  = "Angermann, Detlef [Sonst.]",
title   = "ITRS Combination Center at DGFI. A terrestrial reference frame realization 2003",
year    = "2004",
address = "München",
series  = "DGK: B (Angewandte Geodäsie)",
volume  = "Reihe B, Angewandte Geodäsie ; 313",
url     = "https://publikationen.badw.de/en/020019023",
}