| Hans-Günter Meyer-Thompson | Nikotin
WHO. Tobacco and its environmental impact: an overview.
WHO. Tobacco and its environmental impact: an overview.
Geneva: World Health Organization; 2017. Licence: CC BY-NC-SA 3.0 IGO.
http://apps.who.int/iris/bitstream/handle/10665/255574/9789241512497-eng.pdf