Vriend, P., Roebroek, C. T. J., & Emmerik, T. v. (2020). Same but Different: A Framework to Design and Compare Riverbank Plastic Monitoring Strategies. Frontiers Media S.A.
Lua i Stíl Chicago (17ú heag.)Vriend, Paul, Caspar T. J. Roebroek, agus Tim van Emmerik. Same but Different: A Framework to Design and Compare Riverbank Plastic Monitoring Strategies. Frontiers Media S.A, 2020.
Lua MLA (9ú heag.)Vriend, Paul, et al. Same but Different: A Framework to Design and Compare Riverbank Plastic Monitoring Strategies. Frontiers Media S.A, 2020.
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