TY  - BOOK
AU  - Magnusson David
AU  -  Bergman Lars R
TI  - Data quality in longitudinal research
T2  - European Network on longitudinal studies on individual development
SN  - 052138091X
PY  - 1990///
CY  - Cambridge
PB  - University press         
KW  - Social Science
N1  - Bib chapterwise
ER  -