共 18 条
- [1] BARR AJ, 1979, SAS USERS GUIDE
- [2] BUURMAN P, 1980, RED SOILS INDONESIA, P93
- [3] Cordero A. V., 1975, Soil Management in Tropical America. Proceedings, Seminar, CIAT, Cali, Colombia, February 1974 (Bornemisza, E.
- [4] Alvarado, A., Editors)., P518
- [5] HAAN CT, 1977, STATISTICAL METHODS
- [6] Journel Andre G, 1978, MINING GEOSTATISTICS, V600
- [7] Kamprath E. J., 1980, Khasawneh, F. E.
- [8] Sample, E. C.
- [9] Kamprath, E. J. : The role of phosphorus in agriculture. (Proceedings of a symposium held 1-3 June 1976 at the National Fertilizer Development Center, Tennessee Valley Authority, Muscle Shoals, Alabama)., P433
- [10] MATHERON G, 1978, RECHERCHE SIMPLIFICA