NASA NTRS · 19680000449
A request-oriented information selection program
Abstract
General purpose information retrieval program written entirely in FORTRAN 4 was developed and can be used with any file of fixed format documents. This program is easily used by noncomputer personnel and provides flexibility in search requests and output format.
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Ryan, E.. 1968-10-01. A request-oriented information selection program. https://ntrs.nasa.gov/citations/19680000449
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