Survey of the interlibrary loan operation of the National Library of Medicine
- Publication Date:
- [Washington, D.C.] : U.S. Dept. of Health, Education, and Welfare, U.S. Public Health Service, 
viii, 49 p.
- Interlibrary Loans Libraries, Medical United States National Library of Medicine (U.S.)
- See catalog record: 57821130R
- Permanent Link:
- NLM Permanence Rating: Permanent: Stable content