Thanks to Nick Cox and David Kantor for the additional references.
Will read up.
r.
Nick Cox wrote:
> The `= ' business was discussed in
> SJ 3(2):185--202 (2003).
>
> Nick
> [email protected]
Rajib Doogar,
Department of Accountancy,
The University of Illinois at Urbana-Champaign
1206 S. Sixth Street, Champaign, IL 61820
Ph: 217.244.8083, Fax: 217.244.0902
http://www.cba.uiuc.edu/doogar
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