Publication
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Estimating aerial biomass in semi-natural vegetation from spectral reflectance measurements. 1. Preliminary experiences Article
Acta botanica neerlandica, 29(5/6), 565-578.January 1980
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A note on the relation between vegetation and elevation in the dune areas of the Netherlands’ Wadden island Vlieland Article
Acta botanica neerlandica, 29(5/6), 579-584.January 1980
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The interaction of Brent Geese Branta bernicla and sea plantain Plantago maritima during spring staging: field observations and experiments Article
Acta botanica neerlandica, 29(5/6), 585-596.January 1980
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The pollination value of honeybees to the bumblebee plant Rhinanthus Article
Acta botanica neerlandica, 29(5/6), 597-603.January 1980
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Verslagen van de maandelijkse bijeenkomsten Article
Natuurhistorisch Maandblad, 69(1), 1-3.January 1980
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Uit de flora van Limburg Article
Natuurhistorisch Maandblad, 69(1), 4-4.January 1980
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De Orthoptera (sprinkhanen en krekels) en Dictyoptera (kakkerlakken) van Limburg (deel I) Article
Natuurhistorisch Maandblad, 69(1), 9-15.January 1980
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Klimopwaterranonkels in Noord-Limburg: hoe lang nog? Article
Natuurhistorisch Maandblad, 69(1), 15-21.January 1980