TY - JOUR A1 - Côte, M. A1 - Wartmann, F. A1 - Purves, R. T1 - Introduction: The trouble with forest: definitions, values and boundaries JO - Geogr. Helv. J1 - GH VL - 73 IS - 4 SP - 253 EP - 260 Y1 - 2018/10/09 PB - Copernicus Publications SN - 2194-8798 UR - https://gh.copernicus.org/articles/73/253/2018/ L1 - https://gh.copernicus.org/articles/73/253/2018/gh-73-253-2018.pdf DO - 10.5194/gh-73-253-2018 ER -