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https://books.google.ca/books?id=8wWhCgAAQBAJ&pg=PA452&lpg=PA452&dq=separion&source=bl&ots=ND1R9gvNZS&sig=Fm-A7sKP182b9p-WBPykwPH3U4o&hl=en&sa=X&ved=0ahUKEwi91qy50sfKAhWGw4MKHee9DY04FBDoAQhDMAg#v=onepage&q=separion&f=false