Books By Angela Ehling - Author

Angela Ehling studied Geology at the University of Greifswald, Germany, and at the State Mining Institute (Gornyj Institut) Saint Petersburg, Russia. She was employed at the Geological Survey (Berlin) of the German Democratic Republic from 1985 to 1990, and since then she has worked at the Federal Institute for Geosciences and Natural Resources, Hannover-Berlin, Germany, on applied mineralogy and Building/ornamental stones. She obtained her PhD from University Hannover, Germany in 1999. Ehling is responsible for one of the biggest geoscientific and dimension stone collections in Germany. She is involved in several dimension stone projects, even in the context of monument protection. She is consultant of the German government dimension stones used in governmental buildings, she is speaker of the German GHSR-working-group, co-founder and board member of the German network "stones in the city" and guest lecturer at the FH Potsdam, on stone restoration. Friedrich Häfner studied Geology at the Johannes-Gutenberg-