TY  - BOOK
AU  - Tscuprow A A
TI  - On the mathematical expectation of the moments of frequency distributions in the case of correkated preservations
U1  - 000SA.22 
KW  - Frequency distribution
N1  - Reprint from Metron Pt.3 and 1923 ; p.461-93, 646-80
ER  -