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