TY  - CHAP
A1  - Wagner, M.
A1  - Schütze, Y.
A1  - Lang, F.R.
T1  - Social relationships in old age
Y1  - 1999
A3  - Baltes, P.B.
A3  - Mayer, K.U.
T2  - The Berling Aging Study. Aging from 70 to 100
CY  - Cambridge
PB  - Cambridge University Press
SP  - 282
EP  - -301

ER  -