Remke E, Brouwer E, Kooijman A, Blindow A, Roelofs JGM. Low atmospheric nitrogen loads lead to grass encroachment in coastal dunes, but only on acid soils. Ecosystems. 2009  ;12:1173?1188.

Tomassen HBM, Smolders AJP, Lamers LPM, Roelofs JGM. Stimulated growth of Betula pubescens and Molinia caerulea on ombrotrophic bogs: role of high levels of atmospheric nitrogen deposition. Journal of Ecology. 2003  ;91:357-370.

De Graaf MCC, Bobbink R, Roelofs JGM, Verbank PJM. Differential effects of ammonium nitrate on three heathland species. Plant Ecology. 1998  ;135:185-196.

Bobbink R, Hornung M, Roelofs JGM. The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation. Journal of Ecology. 1998  ;86:717-738.

Bobbink R, Hornung M, Roelofs JGM.  Empirical nitrogen critical loads for natural and semi-natural ecosystems. Berlin: Umweltbundesamt; 1996 pp. 71-96. .

Bobbink R, Roelofs JGM. Empirical nitrogen critical loads: update since Lokeberg (1992). (Hornung M, Sutton MA, Wilson RB). Bush: Institute of Terrestrial Ecology; 1995 pp. 9-19.

Bobbink R, Roelofs JGM, Hornung (E)M, Sutton (E)MA, Wilson [E]RB. Mapping and modelling of critical loads for nitrogen - a workshop report. Bush: Institute of Terrestrial Ecology; 1995 pp. 9-19.

Bobbink R, Roelofs JGM. Nitrogen critical loads for natural and semi-natural ecosystems: the empirical approach. Water, Air and Soil Pollution. 1995  ;85:2413-2418.

Houdijk ALFM, Verbank PJM, van Dijk HFG, Roelofs JGM.  Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil. Plant and Soil. 1993  ;148:137-143.

Arts GHP, Van der Velde G, Roelofs JGM, Van Swaay CAM. Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century. Freshwater Biology. 1990  ;24:287-294.

van Dijk HFG, Roelofs JGM. Effects of excessive ammonium deposition on the nutritional status and condition of pine needles. Physiologia Plantarum. 1988  ;73:494-501.

Roelofs JGM, Kempers AJ, Houdijk ALFM, Jansen J. The effects of air-borne ammonium sulphate on Pinus nigra in the Netherlands. Plant Soil. 1985  ;42:372?377.

Roelofs JGM. Impact of acidification and eutrophication on macrophyte communities in soft waters in the Netherlands. Aquatic Botany. 1983  ;17:139-155.