@article{W1987,
author = {Andrew W Dilnot and Graham Stark and Steven Webb},
title = {The targetting of benefits: two approaches},
journal = {Fiscal Studies},
year = {1987},
month = {Feb},
volume = {8},
number = {1},
pages = {83-93},
issn = {Print: 0143-5671 Online: 1475-5890},
url = {http://onlinelibrary.wiley.com/doi/10.1111/j.1475-5890.1987.tb00434.x/abstract},
}