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Price imputation and other techniques for dealing with missing observations, seasonality and quality change in price indices
Armknecht, Paul A., (1999)
Umwertungs- und Investitionseffekte auf Realkapitalbestände in Ostdeutschland : kapitaltheoretisches Dilemma, statistische Unzulänglichkeiten und empirische Untersuchungsansätze
Herrmann, Marco, (2002)
Quantifying the qualitative : quality-adjusted price indexes in the United States, 1915 - 61
Banzhaf, H. Spencer, (2001)
In memoriam: Robert Summers 1922 - 2012
Heston, Alan W., (2013)
The international demand for services
Summers, Robert, (1988)
Comparative country performance at own-prices or common international prices
Heston, Alan W., (1995)