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Estimating high dimensional covariance matrices and its applications
Bai, Jushan, (2011)
On spectral distribution of high dimensional covariation matrices
Heinrich, Claudio, (2014)
Kapitalmarktmodelle und erwartete Renditen am deutschen Aktienmarkt
Schneider, Sebastian, (2001)
Household expenditure patterns in Tianjin, 1982 and 1984
Hu, Dewei, (1987)
Analysis of wages and bonus payments among Tianjin urban workers
Hu, Dewei, (1988)