this link worked for me and thanks Mike for the search title.. https://academic.oup.com/aesa/advance-article/doi/10.1093/aesa/saaa041/5998622 seems I got an acknowledgement at the end of the paper. must say I did not expect that.. Gene in Central Texas... *********************************************** 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