scholarly article | Q13442814 |
P356 | DOI | 10.1080/00045603909357312 |
P50 | author | Richard Hartshorne | Q983576 |
P433 | issue | 4 | |
P304 | page(s) | 253-256 | |
P577 | publication date | 1939-12-01 | |
P1433 | published in | Annals of the American Association of Geographers | Q15753179 |
P1476 | title | B. THE PURPOSE OF THE CONCEPT | |
P478 | volume | 29 |
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