RAMANATHAN, V. R.; RAMAN, N. Ultrasonic Velocity and other Parameters in Sulphuric Acid-Sodium Hydroxide Solutions. Defence Science Journal, [S. l.], v. 20, n. 3, p. 201–202, 2014. DOI: 10.14429/dsj.20.6155. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6155. Acesso em: 16 jun. 2025.