共 80 条
- [1] BAILEY EH, 1932, USDA TECH B, V291
- [2] BEAN AH, 1936, SOIL SURVEYS SER, V10
- [3] BJORLYKKE KO, 1928, P 1 INT C SOIL SCI, V4, P223
- [5] BROWN IC, 1936, P SOIL SCI SOC AM, V3, P269
- [6] BROWN IC, 1933, USDA TECH B, V399
- [7] BROWN IC, 1935, USDA TECH B, V502
- [8] BROWN IC, 1938, USDA TECHN B, V609
- [9] BROWN LA, 1934, SOIL SURVEYS SER
- [10] BYERS HG, 1935, USDA TECH B, V484