题名：Related Variety, Unrelated Variety and Regional Economic Growth

作者：Koen Frenken ^a;  Frank Van Oort ^ab; Thijs Verburg ^b
 

期刊：Regional Studies,

年月卷：Volume 41, Issue 5 July 2007 , pages 685 - 697

电子链接：http://www.informaworld.com/smpp/content~content=a781862985~db=all

[此贴子已经被作者于2008-10-12 9:05:27编辑过]