A request oriented information selection program /
by Elizabeth Ryan, Lewis Research Center, Cleveland, Ohio.

APA Citation

Ryan, E., Lewis Research Center., United States. National Aeronautics and Space Administration. (1967). A request oriented information selection program. Washington, D.C.: National Aeronautics and Space Administration .

MLA Citation

Ryan, Elizabeth, Lewis Research Center, and United States. National Aeronautics and Space Administration. A Request Oriented Information Selection Program. Washington, D.C.: National Aeronautics and Space Administration , 1967.