TY  - BOOK
AU  - Hannan, Michael T.                               
TI  - Problems of aggregation and disaggregation in sociological research                                                                                                                  
U1  - 512.871                 
PY  - 1970///
CY  - Chapel Hill
PB  - Institute for Research in Social Science
KW  - Aggregates
KW  - Economics - Mathematical models
ER  -