TY - RPRT TI - Overview of model for United States Geological Survey: recognition of Spatial Data Transfer Standard (SDTS), Topological Vector System (TVP) certification system AU - Dashiell, William H AU - Johnson, L Arnold AU - Rosenthal, Lynne S PY - 1998 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6124 DO - 10.6028/NIST.IR.6124 ER -