TY  - BOOK
AU  - Steel,Robert George Douglas
AU  - Torrie,James H.
TI  - Principles and procedures of statistics: with special reference to the biological sciences 
PY  - 1960///
CY  - New York
PB  - McGraw-Hill
KW  - BiologÃ­a
KW  - EstadÃ­stica
KW  - Texto
ER  -