@Online{baen:wtud,
editor="David {Drake} and Jim Baen and Eric Flint",
title="The {World Turned Upside Down}",
publisher="Baen Books",
year=2004,
url="http://hell.pl/szymon/Baen/The%20best%20of%20Jim%20Baens%20Universe/The%20World%20Turned%20Upside%20Down/The_World_Turned_Upside_Down.htm"
}