oooops ! Sorry, I gave Ana Militino as the source of Peter Rogerson's paper instead of DARLA MUNROE. Ana provided another reference which was sent directly to the list.
Sorry for that. When I said I was getting old... Gregoire -- * To post a message to the list, send it to [EMAIL PROTECTED] * As a general service to the users, please remember to post a summary of any useful responses to your questions. * To unsubscribe, send an email to [EMAIL PROTECTED] with no subject and "unsubscribe ai-geostats" followed by "end" on the next line in the message body. DO NOT SEND Subscribe/Unsubscribe requests to the list * Support to the list is provided at http://www.ai-geostats.org