Waynick, D. D., & Sharp, L. T. (1919). Variability in soils and its significance to past and future soil investigations: II. Variations in Nitrogen and Carbon in field soils and their relation to the accuracy of field trails. Univ. of California Press.
Chicago-Zitierstil (17. Ausg.)Waynick, Dean David, und L. T. Sharp. Variability in Soils and Its Significance to Past and Future Soil Investigations: II. Variations in Nitrogen and Carbon in Field Soils and Their Relation to the Accuracy of Field Trails. Berkeley: Univ. of California Press, 1919.
MLA-Zitierstil (9. Ausg.)Waynick, Dean David, und L. T. Sharp. Variability in Soils and Its Significance to Past and Future Soil Investigations: II. Variations in Nitrogen and Carbon in Field Soils and Their Relation to the Accuracy of Field Trails. Univ. of California Press, 1919.