TY  - BOOK
AU  - Gliessman, Stephen R. 
TI  - The Conversion to Sustainable Agriculture: Principles, Processes, and Practices 
SN  - 9780849319174
U1  - 630/GLI/C 
PY  - 2010///
CY  - Boca Raton
PB  - CRC press
KW  - Sustainable agriculture
KW  - Case studies
KW  - Nachhaltigkeit
KW  - Biologische Landwirtschaft
KW  - Umstellung
ER  -