Lorin Hochstein Victor R. Basili Uzi Vishkin John Gilbert A pilot study to compare programming effort for two parallel programming models. 1920-1930 2008 81 Journal of Systems and Software 11 http://dx.doi.org/10.1016/j.jss.2007.12.798 db/journals/jss/jss81.html#HochsteinBVG08