Developing Frontier Cities Global Perspectives — Regional Contexts Lithwick Harvey Heftet / 2010 / Engelsk
Developing Frontier Cities Global Perspectives — Regional Contexts Lithwick Harvey Innbundet / 1999 / Engelsk
Arid Frontier Interactive Management of Environment and Development Bruins Hendrik J. Innbundet / 1997 / Engelsk
Arid Frontier Interactive Management of Environment and Development Bruins Hendrik J. Heftet / 2012 / Engelsk
