@inbook{GOODALL_1972,<br/><span class="tab"></span> title={The Level of Urban Economic Activity},<br/><span class="tab"></span> ISBN={9780080168920},<br/><span class="tab"></span> url={http://dx.doi.org/10.1016/b978-0-08-016892-0.50013-2},<br/><span class="tab"></span> DOI={10.1016/b978-0-08-016892-0.50013-2},<br/><span class="tab"></span> booktitle={The Economics of Urban Areas},<br/><span class="tab"></span> publisher={Elsevier},<br/><span class="tab"></span> author={GOODALL,<br/><span class="tab"></span> BRIAN},<br/><span class="tab"></span> year={1972},<br/><span class="tab"></span> pages={233–261} }