Patzold, B. E., & Raflik, M. E. (1990). CAD database: An approach to an engineering database version 40.
Chicago Edition CitationPatzold, B; Ed, and M; Ed Raflik. CAD Database: An Approach to an Engineering Database Version 40. Berlin, Springer Verlag, 1990.
MLA Edition CitationPatzold, B; Ed, and M; Ed Raflik. CAD Database: An Approach to an Engineering Database Version 40. 1990.
Warning: These citations may not always be 100% accurate.