APA

Lang T., Degn Jensen A. & Degn Jensen A.Retention of organic elements during solid fuel pyrolysis with emphasis on the peculiar behavior of nitrogen. : .

Chicago

Lang Todd, Degn Jensen Anker and Degn Jensen Anker.Retention of organic elements during solid fuel pyrolysis with emphasis on the peculiar behavior of nitrogen. : .

Harvard

Lang T., Degn Jensen A. and Degn Jensen A.Retention of organic elements during solid fuel pyrolysis with emphasis on the peculiar behavior of nitrogen. : .

MLA

Lang Todd, Degn Jensen Anker and Degn Jensen Anker.: . .