@Book{278421989,
author="Deutsch, Karl-Heinz
and Gnewuch, Gerd
and Grave, Karlheinz",
editor="Roth, Kurt",
title="Post in Berlin 1237 - 1987",
year="1987",
publisher="Ges. f{\"u}r Dt. Postgeschichte, Bezirksgruppe Berlin",
address="Berlin",
note="Karl-Heinz Deutsch; Gerd Gnewuch; Karlheinz Grave",
language="German"
}