共 19 条
- [2] BIE S. W., 1970, Soils and Fertilizers, V33, P203
- [3] QUALITY CONTROL IN SOIL SURVEY .2. COSTS OF SOIL SURVEY [J]. JOURNAL OF SOIL SCIENCE, 1971, 22 (04): : 453 - &
- [4] BIE SW, 1972, THESIS OXFORD U
- [5] Buringh P., 1960, MANUAL PHOTOGRAPHIC
- [6] RELATION BETWEEN COST AND UTILITY IN SOIL SURVEY [J]. JOURNAL OF SOIL SCIENCE, 1971, 22 (03): : 359 - &
- [7] BURROUGH PA, 1971, J SOIL SCI, V22, P466
- [8] FRAZEE CJ, 1972, P SOIL SCI SOC AM, V36, P693
- [9] GOOSEN D, 1967, FAO6 SOILS B