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An information retrieval system for research file data /
by Joan E. Lengel and John W. Koning, Jr.

APA Citation

Lengel, J. E., Koning, J. W., Forest Products Laboratory (U.S.). (1978). An information retrieval system for research file data. Madison, Wis.: Forest Products Laboratory, Forest Service, U.S. Dept. of Agriculture.

MLA Citation

Lengel, Joan E, John W Koning, and Forest Products Laboratory (U.S.). An Information Retrieval System for Research File Data. Madison, Wis.: Forest Products Laboratory, Forest Service, U.S. Dept. of Agriculture, 1978.

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