TY  - BOOK
AU  - Langbein,Laura Irwin
AU  - Lichtman,Allan J
TI  - Ecological inference
PY  - 1978///
CY  - Beverly Hills
PB  - SAGE Publications
KW  - Social sciences
KW  - Statistical methods
KW  - Mathematical models
N1  - Record to be deleted; p. 68-70
ER  -