Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Uniqueness of trip-end distribution by a gravity model:

Published

Author(s)

A J Goldman
Citation
- NBS RPT 9645
Report Number
NBS RPT 9645

Citation

Goldman, A. (1967), Uniqueness of trip-end distribution by a gravity model:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.RPT.9645 (Accessed November 2, 2024)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created January 1, 1967, Updated May 19, 2023