Weischet, W. Caviedes, C.N.
The persisting ecological constraints of tropical agriculture - New York, N.Y. (EUA) Longman Scientific&Technical 1993 - 319 p.
340 ref.
The persisting ecological constraints of tropical agriculture - New York, N.Y. (EUA) Longman Scientific&Technical 1993 - 319 p.
340 ref.

