found: Work cat.: Spacemate : the spatial logic of urban density, 2004.
found: Urbanization in Garhwal Himalaya, 1995:p. 178 (urban density is the average ratio of residents living on per unit of municipal area)
found: Urban geography, 1967:p. 245 (urban density, density expressed in number of units and population of those units)
found: Wikipedia, Jan. 23, 2008(urban density: term used in urban planning and design to refer to number of people inhabitating a given urbanized area; distinguished from other measures of population density; planning theories such as New Urbanism and Smart Growth premised on raising urban densities)
found: 2007 State of the Lakes Ecosystem Conference session notes, via U.S. Environmental Protection Agency WWW site, Jan. 23, 2008:Indicator ID 7000 (urban density: human population per square kilometer of existing and proposed development areas, excluding parks and other designated greenspace; urban density is a relative measure of efficiency)
found: Optimal urban population density, 1994.
