共 20 条
[2]
DONALDSON HM, 1973, INDUSTRYWIDE STUDY B
[3]
GARDNER LU, 1946, FED PROC, V5, P221
[5]
HAYES WL, 1963, STATISTICS, P578
[7]
LASKIN S, 1950, PNEUMOCONIOSIS, P360
[9]
NETER J, 1974, APPLIED LINEAR STATI, P153