← Search American Economic Review Vol. 81 No. 2 1991 Celestial Mechanics and the Location Theory of William H. Dean, Jr., 1930-52 Julian Ellison Volume81 Issue2 Pages315-317 Sources bibtex:phds-export.bib Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓