RATNAWAT, H. P. Unsteady Flow of Bingham Plastic between Two Fixed Coaxial Cylinders under Time Dependent Pressure Gradient. Defence Science Journal, [S. l.], v. 20, n. 4, p. 213–218, 2014. DOI: 10.14429/dsj.20.6207. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6207. Acesso em: 3 aug. 2025.