ELECTRONIC	h   t   t   p   c o l o n   s l a s h   s l a s h   d i g i t a l c o m m o n s dot u   n   l dot e   d   u   s l a s h   e t a s   s l a s h   f o r t y   t w o	http://digitalcommons.unl.edu/etas/42	1