TY  - CHAP
A1  - Uhlenberg, P.
A1  - Kirby, J.B.
T1  - Grandparenthood over time: Historical and demographic trends
Y1  - 1998
A3  - Szinovacz, M.E.
T2  - Handbook on Grandparenthood
CY  - Westport
PB  - Greenwood Press
SP  - 23
EP  - -39

ER  -