TY  - BOOK
AU  - Mason William M
AU  -  Fienberg Stephen E` Ed.
TI  - Cohort analysis in social research :  Beyond identification problem   
T2  - Social Science Research Council
SN  - 0387960538
U1  - Y:(B), M5 
PY  - 1985///
CY  - New York
PB  - Springer - Verlag       
KW  - Sociometry
N1  - Bibiliography chapterwise
ER  -