By Drai R.   Sellidj F.   Khelil M.   Benchaala A.   in Ultrasonics

ISSN:0041-624X|38|1|503-507

Elsevier‎(2000)‎

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By Khelil M. Ben   Sanaa M.   Msallem M.   Larbi A.   in Journal of Plant Nutrition

ISSN:0190-4167|33|5|627-639

Taylor & Francis Ltd‎(2010)‎

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