@misc{indiciae92d3b8c53e08, title = {The conceptual schema in geospatial data standard design with application to GroundWaterML2}, author = {Boyan Brodaric and Eric Boisvert and Peter Dahlhaus and Sylvain Grellet and Alexander Kmoch and Francois Letourneau and Jessica Lucido and Bruce Simons and Bernhard Wagner}, year = {2018}, doi = {10.1186/s40965-018-0058-3}, url = {https://pubs.usgs.gov/publication/70202732}, note = {Source identifier: 70202732} }