ELECTRONIC	h   t   t   p   c o l o n   s l a s h   s l a s h   p s y c h c l a s s i c s dot y o r k u dot c   a   s l a s h   j o n e s   s l a s h   r u t h e r f o r d	http://psychclassics.yorku.ca/jones/rutherford	1