GOOSEN, D. (1967). Aerial photo interpretation in soil survey. FAO.
Chicago-čujuhus (17. p.)GOOSEN, Doeko. Aerial Photo Interpretation in Soil Survey. Roma: FAO, 1967.
MLA-čujuhus (9. p.)GOOSEN, Doeko. Aerial Photo Interpretation in Soil Survey. FAO, 1967.
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