Hi,

I just wonder why this item not shown properly in bibliography?

@misc{Nilsson96introductionto,  
author = {Nilsson, Nils J.},  
citeulike-article-id = {6995464},  
howpublished = {\url{http://robotics.stanford.edu/people/nilsson/mlbook.html}},  
keywords = {*file-import-10-04-11},  
posted-at = {2010-04-11 06:52:28},  
priority = {2},  
title = {Introduction to Machine Learning: An Early Draft of a Proposed Textbook.},  
year = {1996}  
}  

[12] Nils J. Nilsson. Introduction to machine learn- ing: An early draft of a proposed textbook. http://robotics.stanford.edu/people/nilsson/mlbook.html, 1996.

Thanks and regards!