Pdf - EdituraSilvica.ro
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9. KORJINSKY: Lucr6rile Soc. Naturaliste din Kassan, 188? Ei 1888'<br />
10. KOSTICEV: Lucrdrile Soc. Naturaliste din Petersburg, 1903'<br />
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precipitates. Soil Sci', 3'0, 1930' p' 459---495.<br />
' b) The laws of soil coloidal behavior IX. Amphoteric<br />
reactions<br />
and isoelectric weathering. Soil Sci., 34, 1932, p.<br />
2f,g:-?/la.<br />
13. POPOVAT, M.: D6gradation des sols de steppe. An, Inst. GeoI. Rom..<br />
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1?. STEBUTT, AL.: Lehrbuch der allgemeinerr Bod,enkunde. Berlin, 1930.