@misc{186611, author = {Thomas Kramer}, title = {Extracting STEP Geometry and Topology from a Solid Modeler: Parasolid-to-STEP}, year = {1991}, month = {1991-06-01}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.4577}, language = {en}, }