TY  - BOOK
AU  - Freund,John E.
AU  - Walpole,Ronald E.
TI  - Mathematical statistics
SN  - 013562066X :
U1  - 519.5 
PY  - 1980///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Mathematical statistics
ER  -