ELECTRONIC	w   w   w dot t s h a o n l i n e dot o r g   s l a s h   h a n d b o o k   s l a s h   o n l i n e   s l a s h   a r t i c l e s   s l a s h   h   c   k   t e n   j o h n	www.tshaonline.org/handbook/online/articles/hck10john	1