Medical subject headings: Tree structures, 1983
Medical subject headings: Tree structures, 1983
/ National Library of Medicine Bethesda, Maryland, July 1982
- Bethesda: National Library of Medicine, 1983
- xi, 443p.
Library science
Subject heading
D 025.343.61 / M2;1
Library science
Subject heading
D 025.343.61 / M2;1