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| Detailed Reference Information | 
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| Anderegg, F. (1947). Aerial negatives and prints, their classification and preservation in the United States. Transactions, American Geophysical Union 28: doi: 10.1029/TR028i004p00523. issn: 0002-8606. |  |  
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| Journal Transactions, American Geophysical Union
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| Publisher American Geophysical Union
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