TY  - BOOK
AU  - Mitchell,C.P.
TI  - Multipurpose tree production systems / 
SN  - 9157640963
PY  - 1989///
CY  - Beijing : 
PB  - Sveriges Lantbruksuniversitet, 
KW  - CONF
KW  - BIOMASA
KW  - POPULUS
KW  - SALIX
KW  - BIODIVERSIDAD
ER  -