TY -
BOOK
AU - Instytut Ekologii Warschau
AU - Ryszkowski, Lech
TI -
Ecological effects of intensive agriculture
(first attempt at a synthesis)
PB - Polish Scientific Publishers
KW - Landwirtschaft
PY - 1974
CY - Warszawa
UR - http://slubdd.de/katalog?TN_libero_mab2
ER -