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Analysis and design of a refracrive virtual image system /
William M. Kahlbaum.

APA Citation

Kahlbaum, W. M., United States. National Aeronautics and Space Administration. Scientific and Technical Information Office. (1977). Analysis and design of a refracrive virtual image system. [Washington]: National Aeronautics and Space Administration, Scientific and Technical Information Office .

MLA Citation

Kahlbaum, William M, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Office. Analysis And Design of a Refracrive Virtual Image System. [Washington]: National Aeronautics and Space Administration, Scientific and Technical Information Office , 1977.

Warning: These citations may not always be complete (especially for serials).