Lippe, P. M. v. d. (2007). Index theory and price statistics. Peter Lang.
Lua i Stíl Chicago (17ú heag.)Lippe, Peter Michael von der. Index Theory and Price Statistics. Frankfurt am Main: Peter Lang, 2007.
Lua MLA (9ú heag.)Lippe, Peter Michael von der. Index Theory and Price Statistics. Peter Lang, 2007.
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