TY  - BOOK
AU  - Sheldon, William Herbert
AU  - Stevens,S.S.
TI  - The varieties of temperament: A psychology of constitutional differences 
AV  - BF798 S48
PY  - 1942///
CY  - New York
PB  - Harper
KW  - Temperamento
KW  - Psicología diferencial
ER  -