PARASHAR, D. C.; KUMAR, N.; MEHENDRU, P. C. Development and Production of Electrostatic Photocopying Machines in India. Journal of Information and Knowledge, [S. l.], v. 17, n. 4, p. 93–96, 1980. DOI: 10.17821/srels/1980/v17i4/50649. Disponível em: https://srels.org/index.php/sjim/article/view/50649. Acesso em: 8 jan. 2025.