TY  - BOOK
AU  - Langeveld,Hans
AU  - Dixon,John
AU  - Keulen,H.van
TI  - Biofuel cropping systems: carbon, land, and food 
SN  - 9780415539531
PY  - 2014///
CY  - Abingdon, Oxon
PB  - Routledge
KW  - Energy crops
KW  - Biomass energy
KW  - Sustainable agriculture
KW  - Alternative agriculture
N1  - Includes bibliographical references and index
ER  -