TY  - BOOK
ED  -  International Labour Organization.
TI  -  International survey of social services, 1933
T2  -  Studies and reports, series M (Social insurance) ; 
PY  - 1936///
CY  -  Geneva : 
PB  -  International Labour Organization, 
KW  -  Social security
KW  -  Employers' liability
KW  -  Works' compensation
KW  -  Old age pensions
N1  -  The first edition gave information on 24 countries for the year 1930 ; this edition covers 38 countires
ER  -