Richard Hemming 
Poverty and incentives : The economics of social security. 
 - London  Oxford University Press  1984 
 - 212p 
Richard Hemming: Poverty and incentives : The economics of social security..  London.  Oxford University Press, 1984. 9-19-877165-7--(368.400941HEM)   
ENGLISH 
9-19-877165-7 
368.400941  / HEM