共 7 条
[1]
COLWELL JD, 1977, NATIONAL SOIL FERTIL, V1
[2]
EVERITT B, 1974, CLUSTER ANALYSIS
[3]
JARDINE R, 1975, J AUST I AGR SCI, V41, P30
[4]
MULLALY J. V., 1966, AUSTRALIAN J EXP AGR ANIM HUSB, V6, P193, DOI 10.1071/EA9660193
[5]
OVERALL JE, 1972, APPLIED MULTIVARIATE
[6]
WILLIAMS WT, 1976, PATTERN ANALYSIS AGR
[7]
WYSE MJM, 1974, J DEP AGRICULTURE VI, V72, P320