TY  - BOOK
AU  - Assmann,Ernest
AU  - Davis,P.W.
AU  - Gardiner,Sabine H.
TI  - The principles of forest yield study:Stuides in the organic production,st-ructure increment and yield of forest stands
U1  - 634.9 
PY  - 1970///
CY  - Oxford
PB  - Pergamon Press
KW  - Forestry
ER  -