Lens newsletter /
The international center for agricultural research.
- Ottawa Canada: University of Saskatchewan, 1985-
- Semestral.
1985 v. 12 (1) ; 1988 v. 15 (1) ; 1989 v. 16 (1-2) ; 1990 v. 17 (1).
0257-7143
Agricultura.
Ingenieria.
Agronomía.
1985 v. 12 (1) ; 1988 v. 15 (1) ; 1989 v. 16 (1-2) ; 1990 v. 17 (1).
0257-7143
Agricultura.
Ingenieria.
Agronomía.
