TY  - BOOK
AU  - Cannell, M G R., ed.
AU  - Last, F T, ed.
TI  - Tree physiology and yield improvement
SN  - 0121587509
U1  - 634.956/CAN 
PY  - 1976///
CY  - London
PB  - Academic Press
KW  - forest genetics
KW  - trees physiology
ER  -