The principles of forest yield study studies in the organic production, structure, increment and yield of forest stands /
Assmann, Ernst.
Gardiner, Sabine Hildegard.
Davis, Percival William.
Oxford Pergamon
1970
Originally published as 'Waldertragskunde'. München (Munich): BLV Verlagsgesellschaft, 1961
bibl p495-503
Forests and forestry.