TY  - GEN
T1  - Old-age security in comparative perspective
A1  - Williamson, John B.
A2  - Pampel, Fred C.
LA  - English
PP  - New York
PB  - Oxford University Press
YR  - 1993
UL  - https://colectivo.uloyola.es/Record/ELB168548
OP  - 304
CN  - HD7105.3 .W55 1993
SN  - 9780195361698
KW  - Old age pensions.
KW  - Social security.
KW  - Electronic books.
ER  -