Knowledge-based machine indexing from natural language text :
knowledge base design, development and maintenance /
Michael T. Genuardi, prepared for the NASA Scientific and Technical Information Program.
APA Citation
Genuardi, M. T., United States. National Aeronautics and Space Administration. Scientific and Technical Information Program. (1993). Knowledge-based machine indexing from natural language text: knowledge base design, development and maintenance. [Washington, DC]: The Program .
MLA Citation
Genuardi, Michael T, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program. Knowledge-based Machine Indexing From Natural Language Text: Knowledge Base Design, Development And Maintenance. [Washington, DC]: The Program , 1993.
Warning: These citations may not always be complete (especially for serials).