http://www.sciencedirect.com/science/article/pii/S1049007804001484?_alid=1870336148&_rdoc=5&_fmt=high&_origin=search&_docanchor=&_ct=161&_zone=rslt_list_item&md5=0cbf64535ad442811d272294a5f7ffea
Jim Love , Ramesh Chandra
Received 12 November 2003; revised 11 August 2004; Accepted 2 November...