TITLE:  Multivariate symmetry models 
AUTHOR:  R.J. Beran and P.W. Millar 
DATE: June 1988 (revised Nov. 1993)
PUB:  
URL: 
TEXT: 159. BERAN, R.J. and MILLAR, P.W. (June 1988, revised Nov. 1993). Multivariate symmetry models.
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