TY  - BOOK
AU  - Jacob,Herbert
TI  - Using published data: errors and remedies 
T2  - Sage university paper. Quantitative applications in the social sciences
SN  - 080392299X
U1  - 300.72 
PY  - 1984///
CY  - Newbury Park, CA.
PB  - Sage
KW  - Investigación social
ER  -