congrès/colloque

Proceedings of the conference on nursery production of fruit plants through tissue culture. Applications and feasibility

USDA United States Department of Agriculture, Beltsville MD (USA). Science and Education Administration, Agricultural Research ; Conference (1980/04/21-22; Beltsville MD, USA) | Beltsville [USA] : USDA, Agricultural Research, Science and Education Administration | USDA Agricultural Research Results, Northeastern Series (USA) | 1980

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congrès/colloque

Proceedings of the conference on nursery production of fruit plants through tissue culture. Applications and feasibility

US Department of Agriculture, Beltsville MD 20705 (USA). Science and Education Administration, Agricultural Research ; Conference, Beltsville MD (USA);1980/04/21-22 | Beltsville [USA] : USDA, Agricultural Research, Science and Education Administration | 1980

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ouvrage

The electronic information initiative. A key success factor in the NAL plan

C. Ditzler ; C. Early ; USDA United States Department of Agriculture, Beltsville (USA) ; C. Weston | Beltsville [USA] : USDA, Agricultural Research, Science and Education Administration | 1993

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