This publication, known as the "Blue Book", seeks to establish an inventory of existing and envisaged standards and parameters for European inland waterways and ports of international importance, in order to compare the current inland navigation infrastructure parameters in Europe with the minimum standards and parameters prescribed in the European Agreement on Main Inland Waterways of International Importance (AGN) and to monitor progress in its implementation.

This public domain book is an open and compatible implementation of the Uniform System of Citation.