WANG, P.; ZHAO, C.; LIU, W.; CHEN, Z.; ZHANG, Z. Optimizing Data Placement for Cost Effective and High Available Multi-Cloud Storage. COMPUTING AND INFORMATICS, [S. l.], v. 39, n. 1-2, p. 51–82, 2020. DOI: 10.31577/cai_2020_1-2_51. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/2020_1-2_51. Acesso em: 20 mar. 2023.