共 10 条
[9]
实用现代统计分析方法与SPSS应用[M]. - 当代中国出版社 , 米红, 2004
[10]
Obtaining soil and land quality indicators using research chains and geostatistical methods[J] . M.R. Hoosbeek,J. Bouma.Nutrient Cycling in Agroecosystems . 1998 (1)