Proceedings and Papers of the First International Congress of Soil Science Washington, D.C. June 13-22, 1927- Vol. 1 : Commission I to V
Deemer, R.B.
Proceedings and Papers of the First International Congress of Soil Science Washington, D.C. June 13-22, 1927- Vol. 1 : Commission I to V - 1st - The American Oraganizing Committee of the First international Congress of Soil Science Washington, D.C. 1928
631.4DEE
Proceedings and Papers of the First International Congress of Soil Science Washington, D.C. June 13-22, 1927- Vol. 1 : Commission I to V - 1st - The American Oraganizing Committee of the First international Congress of Soil Science Washington, D.C. 1928
631.4DEE