I'm sorry, I should have put it--but I'd lost my mind and was thinking it was from askjeeves, which adds its own codes: any url I've ever copied from there takes up about half the screen, and often doesn't work. But this is a nice, simple google:
http://www3.oup.co.uk/jnls/list/notesj/hdb/Volume_43/Issue_01/430032.sgm.abs.html