00313nam a2200109 a 450000500170000002000150001708200210003210000260005324500800007926000290015930000150018820251203091853.0  a0803929579  a519.535,bD, hag  aHagenaars, Jacques A.  aCategorical longitudinal data : log-linear panel, trend and cohort analysis  aNewbury ParkbSagec1990  a398p, 22cm