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Soil correlation study tour in Uruguay, Brazil and Argentina : June-August 1964 / [ed. by K.J. Beek.].
- 878.51
- FAO [etc.],
- [ca. 1964].
- Rome [etc.] :
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Preliminary definitions, legend and correlation table for the soil map of the world, Rome, August, 1964
- FAO [etc.],
- [ca. 1964].
- Rome [etc.] :