TY  - BOOK
T1  - Statistical Methods
PP  - Iowa
PB  - Iowa State Coll Press
YR  - 1940
ED  - 3d. ed.
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.5255
OP  - 422
ER  -