The European Terrestrial Reference System 1989 (ETRS89) is a geodetic datum established to provide a consistent and unified reference frame for Europe. This book likely details the establishment, definition, and practical applications of the ETRS89, which is crucial for accurate mapping, navigation, and scientific research across the continent. It would cover the underlying principles of geodetic datums, the specific parameters and transformations involved in ETRS89, and its relationship to other global and regional reference systems. The work aims to elucidate the technical specifications and the importance of this system for European geospatial activities.

This book appears to be a technical exposition on a specific geodetic datum, the ETRS89. Its content is likely aimed at professionals and academics in fields such as geodesy, surveying, cartography, and geographic information systems. The detailed technical nature suggests it serves as a reference or textbook for understanding and applying this crucial European spatial reference framework.