William Plishker Nimish Sane Mary Kiemb Shuvra S. Bhattacharyya Heterogeneous Design in Functional DIF. 157-166 2008 SAMOS http://dx.doi.org/10.1007/978-3-540-70550-5_18 conf/samos/2008 db/conf/samos/samos2008.html#PlishkerSKB08