TY  - BOOK
AU  - Elderton, William Palin
AU  - Johnson, Norman Lloyd
TI  - Systems of frequency curves
U1  - 519.5 21st ed.
PY  - 1969///
CY  - Cambridge
PB  - At the University Press
KW  - Frequency curves
KW  - Mathematical statistics
N1  - Index: p. 210-16
ER  -