КРУПИЧ, Р. О. RESEARCH OF THE FRICTIONAL PROPERTIES OF WALNUT BOUGH BARK. Podilian Bulletin: Agriculture, Engineering, Economics, [S. l.], n. 27, p. 25–29, 2017. Disponível em: http://pb.pdatu.edu.ua/article/view/134003. Acesso em: 5 may. 2024.