481
by Shelly
Published 2010
482
by Tanenbaum
Published 2009
483
Published 1998
484
by Montgomery
Published 2009
485
by Brownlie
Published 2008
486
by Fletcher
Published 1999
487
by Taylor
Published 2006
488
by Shaw
Published 2008
489
by Ho Peng Yoke
Published 1998
490
by McCracken
Published 2005
491
by Beer
Published 2010
492
by Bain
Published 2004
493
by Ramsden
Published 2003
494
by Brown
Published 2008
495
Published 2007
496
497
by Rich
Published 2010
498
by Oon Yeoh
Published 2003
499
by Blinder
Published 2008
500
by Attaway
Published 2009