UPS versus USPS

letter

. 1979 Jan;67(1):68.

PMCID: PMC226892 PMID: 16017760

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

Kaya B., Hurlebaus A. Comparison of United Parcel Service and United States postal service delivery speed and cost for interlibrary loan. Bull Med Libr Assoc. 1978 Jul;66(3):345–346. [PMC free article] [PubMed] [Google Scholar]