Johnson, Hyrum B. Increasing CO2 and plant-plant interactions: effects on natural vegetation / Hyrum B. Johnson, Wayne H. Polley, Herman S. Mayeux. -- 1.vyd.

In Vegetatio. -- 104/105. (1993), s. 157-170. tab.. graf.

I. Polley, Wayne H.
II. Mayeux, Herman S.
III. Vegetatio. -- 104/105. (1993), s. 157-170. tab.. graf.
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