TY  - BOOK
AU  - Tufte Edward R Ed.
TI  - Quantitative analysis of social problems
T2  - Addison-Wesley Series in  Behavioral Science : Quantitative Methods. Ed by Frederick Mosteller
U1  - Y:4:(B), L0 
PY  - 1970///
CY  - Massachusetts
PB  - Addison-Wesley          
N1  - Bibliography at the end of few chapters
ER  -