DEURSEN, M. van. H.A. Huussen jr., Hemmo Dijkema 1799-1853. Gronings agronoom en Ruslandreiziger. BMGN - Low Countries Historical Review, [S. l.], v. 119, n. 1, p. 107–108, 2004. DOI: 10.18352/bmgn-lchr.5990. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106870.. Acesso em: 20 jul. 2024.