publication [publications](act of publishing) noun [UK: ˌpʌ.blɪˈk.eɪʃ.n̩] [US: ˌpʌ.blɪˈk.eɪʃ.n̩]We are expecting the publication of his book. = Estamos esperando la publicación de su libro.
publicación oficial noun {f}
organ [organs](official magazine, newsletter, or similar publication) noun [UK: ˈɔː.ɡən] [US: ˈɔːr.ɡən]