Author (Person): Portillo, Michael Series Details: Economic Affairs Vol.19, No.4, December 1999, p17-21 Published: December 1999 (Last update: 01/12/1999)
Author (Person): Portillo, Michael Series Details: European Journal Vol.5, No.4, February 1998, p3-5 Published: February 1998 (Last update: 01/02/1998)