PubMed · 403495
Across the down columns: a data retrieval matrix.
Abstract
The source did not provide an abstract. Follow the original record for more information.
Explore related subjects
Keep this discovery
Explore connections, maps & timelines
D C Beezley. 1977. Across the down columns: a data retrieval matrix.. https://pubmed.ncbi.nlm.nih.gov/403495/
Cite the original work for its findings. Save a collection to share your selection of sources.