[ نُشرت في: Pollution ]
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Air pollution and its impacts on wheat yield in the Pakistan Punjab
1995
Wahid, A. | Maggs, R. | Shamsi, S.R.A. | Bell, J.N.B. | Ashmore, M.R. (Department of Botany, University of the Punjab, Quaid-e-Azam Campus, Lahore 54590 (Pakistan))
Department for Environment, Food and Rural Affairs - United Kingdom
