R. W. McLain and E. L. Frome.
A system for the analysis of cohort mortality data*.
In SAS Users Group International Conference Proceedings, SUGI
II, pages 874--876, Cary, NC, 1986. SAS Institute.
*This system (MAS) is "in house software" and is not available for public
distribution . The same type of computations can be done using DATAB
which is part of
epicure.