ELECTRONIC	h   t   t   p   s   c o l o n   s l a s h   s l a s h   w   w   w dot o t e x t s dot o r g   s l a s h   f   p   p   s l a s h   e i g h t   s l a s h   o n e	https://www.otexts.org/fpp/8/1	1