ELECTRONIC	w   w   w dot u   s   i   p dot o r g   s l a s h   p u b s   s l a s h   s p e c i a l r e p o r t s   s l a s h   s   r   o n e   o n e   s i x dot p   d   f	www.usip.org/pubs/specialreports/sr116.pdf	1