TY  - BOOK
ED  - Wageningen Agricultural University
TI  - MSc programme ecological agriculture
PY  - 1990///
CY  - Wageningen
PB  - The University
KW  - EcologÃ­a agrÃ­cola
KW  - Estudio y enseÃ±anza
N1  - 56-314
ER  -