Comparative modal efficiencies in urban transport with reference to developing countries. 

 - Nairobi :    United Nations Centre for Human Settlements (Habitat),    1991. 
 - ii,20 p. ;    30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/>v. 1. Mass public-transport modes and sustainable development. 
<br/><br/><label>ISBN: </label>9211311594 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Urban transportation -- Developing countries.