@techreport{tr-ece-08-03,
 author = {B. A. Pearlmutter and
           J. M. Siskind},
 title = {Putting the Automatic Back into {AD}: Part {II}, Dynamic, Automatic,
          Nestable, and Fast},
 number = {TR-ECE-08-03},
 institution = {School of Electrical and Computer Engineering, Purdue
                University},
 month = jan,
 year = 2008,
 url = {http://docs.lib.purdue.edu/ecetr/369}}