Drainage of heavy soils. Rome: 1971 V, 109 p. : ill.
Drainage of heavy soils. Rome: 1971 V, 109 p. : ill.
(1971) Drainage of heavy soils, Rome: V, 109 p. : ill.
(1971). Drainage of heavy soils. Europ. commiss. on agr. working party on water resources and irrigation. Tel Aviv, Israel, 1970. Rome: V, 109 p. : ill.
Drainage of heavy soils: Europ. commiss. on agr. working party on water resources and irrigation. Tel Aviv, Israel, 1970. Rome: 1971. p. V, 109 p. : ill.
