@misc{1196616, author = {Dolores R Wallace and Roger U Fujii}, title = {Software verification and validation:}, year = {1989}, month = {1989-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.500-165}, language = {en}, }