Heidbach, O., Barth, A., M<U+00FC>ller, B., Reinecker, J., Stephansson, O., Tingay, M., Zang, A. (2016). WSM quality ranking scheme, database description and analysis guidelines for stress indicator. World Stress Map Technical Report 16-01 , GFZ German Research Centre for Geosciences. tools:::Rd_expr_doi("10.2312/wsm.2016.001")