1. Allan HH (1961) Flora of New Zealand. Government Printer, Wellington, New Zealand
2. Benecke U, Havranek WM (1980) Gas-exchange of trees at altitudes up to timberline, Craigieburn Range, New Zealand. NZ Forest Serv Techn Paper 70:195–212
3. Billings WD, Mooney HA (1968) The ecology of arctic and alpine plants. Biol Rev 43:481–529
4. Bonnier G (1890) Cultures experimentales dans les hautes altitudes. Comptes Rendus des Seances de 1 Academie des Sciences, Paris, 110:363–365
5. Cernusca A (1976) Bestandesstruktur, Bioklima und Energiehaushalt von alpinen Zwergstrauchbeständen. Oecol Plant 11:71–102