English
No example of a barter economy, pure and simple, has ever been described, let alone the emergence from it of money; all available ethnography suggests that there never has been such a thing Caroline Humphrey, Barter and Economic Disintegration (1985)

BDI

An intriguing 1996 report from the BDI, outlining the official position of German Industrialists on the Euro and the Euripean Monetary Union (unofficial English translation).