STEWART, R.; ZHELEV, Y.; MONOVA-ZHELEVA, M. ORCHIS - Technology in Help of Botanists and Foresters on Both Sides of the Border. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 8, p. 225–232, 2018. DOI: 10.55630/dipp.2018.8.23. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2018.8.23. Acesso em: 21 may. 2024.