Plantae
Kreutzer, K. 1968. The root system of the red alder (Alnus glutinosa Gartn.). Pages 114-119 in M. S. Ghilarov, V. A. Kovda, L. N. Novichkova-Ivanova, L. E. Rodin, and V. M. Sveshnikova, editors. Methods of productivity studies in root systems and rhizosphere organisms. International Symposium USSR, August 28--September 12, 1968. Nauka, Leningrad, Russia.