<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Petra, S.</style></author><author><style face="normal" font="default" size="100%">Popa, C.</style></author><author><style face="normal" font="default" size="100%">Schnörr, C.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Enhancing Sparsity by Constraining Strategies: Constrained SIRT versus Spectral Projected Gradient Methods</style></title><secondary-title><style face="normal" font="default" size="100%">Proc. 7th Workshop on Modelling of Environmental and Life Sciences Problems (WMM 08)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Ed Acad Romane</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><pub-location><style face="normal" font="default" size="100%">Bucharest, Romania</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>