TY  - GEN
AU  - Viitamaeki,R.Olavi
TI  - Personality traits between puberty and adolescence: their relationships, development and constancy with reference to their relation to school achievement 
U1  - 406 21
PY  - 1956///
CY  - Helsinki
PB  - [Suemalainen Tiedeakatemia]
KW  - PSICOLOGÍA DIFERENCIAL
KW  - LEMB
ER  -