, 2009-06
, 2010-01
, 2009-01
, 2008-11
, 2008-06
, 2009-08
, 2008-12
SYSTEMS & CONTROL LETTERS, vol. 25, no. 3, page. 199 - 204, 1995-06-09
, 2008-01
, 2009-07
, 2009-10
, 2010-04