T. D. Wit

Epiphytic lichens and air pollution in the Netherlands

T. D. Wit, 1978 .

Air pollution as a possible cause for the decline of some phanerogamic species in The Netherlands

C. Braak, H. F. Dobben, D. V. Dam, 2004, Vegetatio.

Lichens as indicators for air quality

T. D. Wit, 1983 .

Soil acidification from atmospheric ammonium sulphate in forest canopy throughfall

P. A. Burrough, P. Burrough, N. Breemen, 1982, Nature.