TY  - BOOK
AU  - Tufte E R
AU  - Tufte, E R
AU  - Tufte E R
TI  - Quantitative Anlaysis of Social Problems
U1  - 300/TUF 
PY  - 1970///
CY  - London
PB  - Addison Wesley Pub.
KW  - Social Problems
ER  -