Proceedings and papers of the 1st International Congress of Soil Science, June 13 - 22, 1927, Washington, D.C., U.S.A.

Veröffentlicht 1928

Proceedings and papers of the 1st International Congress of Soil Science, June 13 - 22, 1927, Washington, D.C., U.S.A.

Veröffentlicht 1928

Proceedings and papers of the 1st International Congress of Soil Science, June 13 - 22, 1927, Washington, D.C., U.S.A.

Veröffentlicht 1928

Proceedings and papers of the 1st International Congress of Soil Science, June 13 - 22, 1927, Washington, D.C., U.S.A.

Veröffentlicht 1928

Proceedings and papers of the first International Congress of Soil Science, June 13 - 22, 1927, Washington, D.C., U.S.A.

v. 1. pt. I. proceedings. pt. II. commission I. -- v. 2. commission II. -- v. 3. commission III and commission IV. -- v. 4. commission V. commission VI. Miscellaneous papers. -- v. 5. Transcontinental excursion and impressions of the congress and of America.
(Vol. 1-5)

Proceedings and papers of the 1st International Congress of Soil Science, June 13 - 22, 1927, Washington, D.C., U.S.A.

Veröffentlicht 1928