APA

L°ag J., Låg J., Det Norske Videnskaps-Akademi & International Society of Soil Science. (1990). Excess and deficiency of trace elements in relation to human and animal health in Arctic and Subarctic regions. Oslo: Norwegian Academy of Science and Letters.

Chicago

L°ag Jul, Låg Jul, Det Norske Videnskaps-Akademi and International Society of Soil Science. 1990. Excess and deficiency of trace elements in relation to human and animal health in Arctic and Subarctic regions. Oslo: Norwegian Academy of Science and Letters.

Harvard

L°ag J., Låg J., Det Norske Videnskaps-Akademi and International Society of Soil Science. (1990). Excess and deficiency of trace elements in relation to human and animal health in Arctic and Subarctic regions. Oslo: Norwegian Academy of Science and Letters.

MLA

L°ag Jul, Låg Jul, Det Norske Videnskaps-Akademi and International Society of Soil Science. Excess and deficiency of trace elements in relation to human and animal health in Arctic and Subarctic regions. Oslo: Norwegian Academy of Science and Letters. 1990.