TY  - BOOK
AU  - Daniel, Theodore W.
AU  - Helms, John A.
AU  - Baker, Frederick S.
TI  - Principles of silviculture
SN  - 9780070152977
U1  - 634.95 
PY  - 1979///
CY  - New York
PB  - McGraw Hill 
KW  - Agriculture
ER  -