The 1 reference without contexts in paper Christopher F. Baum, Nicholas J. Cox, Vince Wiggins () “Tests for heteroskedasticity in regression error distribution” / RePEc:tsj:stbull:y:2001:v:10:i:55:sg137

2
Daniels, H. E. and M. G. Kendall. 1947. The significance of rank correlation where parental correlation exists.Biometrika34: 197–208.
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