Alternative agriculture
/ Committee on the role of Alternative Farming methods in modern production Agriculture; board on Agriculture, national research council
. - Washington : National Academy press, 1989
. - XIV-448 p. : ill.,couv.ill.en coul. ; 26 cm.
index
0309039851
Fonds s.600
631.153.
index
0309039851
Fonds s.600
631.153.