256803 Avery, T. E. (1968). Interpretation of aerial photographs. MinneapolisMN : Burgess.
Chicago-čujuhus (17. p.)256803 Avery, Thomas Eugene. Interpretation of Aerial Photographs. MinneapolisMN : Burgess, 1968.
MLA-čujuhus (9. p.)256803 Avery, Thomas Eugene. Interpretation of Aerial Photographs. MinneapolisMN : Burgess, 1968.
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