REDDY, K S; BAGHDE, Harshna D; VARSHNEY, A C; BHANDARKAR, D M; PANDEY, V K. Development and Evaluation of Low Friction Foot Valve. Journal of Agricultural Engineering, India, v. 44, n. 2, 2007. Disponível em: https://epubs.icar.org.in/index.php/JAE/article/view/14510. Acesso em: 6 jun. 2026.