TY  - GEN
AU  - Sontag,L.W.
AU  - Baker,C.T.
AU  - Nelson,V.L.
TI  - Mental growth and personality development: a longitudinal study 
T2  - Society for Research in Child Development monographs
PY  - 1970///
PB  - Kraus
N1  - Originally published in 1958 by Child Development Publications
ER  -