Lorca, Alejandro, Javier Martín-Caro, Rafael Núnez-Ramírez, and Javier Martínez-Salazar. 2012. “Merging On-Demand HPC Resources from Amazon EC2 With the Grid: A Case Study of a Xmipp Application”. Computing and Informatics 31 (1):17-30. http://147.213.75.17/ojs/index.php/cai/article/view/884.