@article{Willis1991,
author = {Willis, K.G. and Tipple, A.G.},
title= {Economics of multihabitation: housing conditions, Household occupancy and household structure under rent control, inflation, and non-marketability of ownership rights},
year = {1991},
doi = {10.1016/0305-750X(91)90014-9},
journal = {World Development},
volume = {19},
pages = {1705--1720},
}