Author (Person): Roberts, Peter Series Details: European Environment Vol.11, No.2, March-April 2001, p64-74 Published: April 2001 (Last update: 01/04/2001)
Author (Person): Roberts, Peter Series Details: Regional Studies Vol.31, No.9, December 1997, p875-82 Published: December 1997 (Last update: 01/12/1997)