C. Figueiredo, M. D. C. Gonçalves, G. Revez, R. Martins, és D. Tilsner, „GS SOIL (assessment and strategic development of inspire compliant geodata-services for european soil data)”, TL, köt. 8, sz. 1, o. 123–134, ápr. 2010, doi: 10.56617/tl.3962.