Might as well make it two mails this evening! > http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0029639 Regards again, Peter *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm