TY  - BOOK
AU  - Holmgren, David
TI  - Permaculture 
SN  - 0-646-41844-0.
AV  - S494.5.P47H65 
CY  - Victoria
KW  -  Agricultural productivity
KW  -  Permaculture--Handbooks
KW  - Agriculture
KW  - Permaculture
ER  -