2010 · Nieukerken, E.J. (Erik) van, Roos, M.C. (Marco) · The Digital Academic Repository of Naturalis Biodiversity Center (Naturalis Biodiversity Center)
2010 · Adema, F.A.C.B. (Frits), Roos, M.C. (Marco), et al. · The Digital Academic Repository of Naturalis Biodiversity Center (Naturalis Biodiversity Center)
2010 · Roos, M.C. (Marco), Nieukerken, E.J. (Erik) van · The Digital Academic Repository of Naturalis Biodiversity Center (Naturalis Biodiversity Center)
2010 · Nieukerken, E.J. (Erik) van, Roos, M.C. (Marco) · The Digital Academic Repository of Naturalis Biodiversity Center (Naturalis Biodiversity Center)
2007 · Adema, F.A.C.B. (Frits), Roos, M.C. (Marco), et al. · The Digital Academic Repository of Naturalis Biodiversity Center (Naturalis Biodiversity Center)
2002 · Verburg, René, Adema, F.A.C.B. (Frits), et al. · The Digital Academic Repository of Naturalis Biodiversity Center (Naturalis Biodiversity Center)