TY  - BOOK
AU  - Bretin Herrero,Constantino
TI  - 100 años de seguridad social en España (1900-2000)
AV  - KKT1504 eBook 
PY  - 2009///.
CY  - Madrid
PB  - Editorial Dykinson, S.L.
KW  - Social security
KW  - Law and legislation
KW  - Spain
KW  - History
KW  - Electronic books
N1  - Includes bibliographical references
UR  - httpss://www.digitaliapublishing.com/a/7959/
ER  -