Minimum time paths and the migration of the arctic tern.
| Author/creator | Eckhardt, Robert C. |
| Format | Book |
| Publication Info | Cambridge, Mass. : Dept. of City and Regional Planning, Harvard Univ., 1969. |
| Description | 26 pages : illustrations ; 28 cm. |
| Series | Harvard papers in theoretical geography: geography and the properties of surfaces series ; paper no. 26 Harvard papers in theoretical geography: geography and the properties of surfaces series ; paper no. 26. UNAUTHORIZED |
| General note | "Twenty-sixth technical report - Office of Naval Research. Contract No. 00014-67A-0298." |