@article{Koegel1996,
author = {Koegel, P. and Burnam, A. and Morton, S. },
title= {Enumerating homeless people: Alternative strategies and their consequences},
year = {1996},
doi = {10.1177/0193841X9602000402},
journal = {Evaluation Review },
volume = {20},
number = {4},
pages = {378--403},
}