Holm Jakobsen, B. (1985) “Soil spatial variability: proceedings of a workshop of the ISSS and the SSSA Las Vegas, USA 30 november-1 december 1984/ D. R. Nielsen and J. Bouma (Eds.)”., Geografisk Tidsskrift, 85. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/44191 (Set: 25 december 2025).