عرض عادي عرض مارك عرض تدوب

Mackenzie, James J.

Ill winds : airborne pollution's toll on trees and crops / James J. Mackenzie, Mohamed T. El-Ashry. - vi , 74p. ; 24 cm.

ISBN: 0915825295

Subjects--Topical Terms:
Agriculture

Index Terms--Genre/Form:
Air pollution.
Forests.
Trees.
Crops.
Damages.
Pollutants.
Pollution control.
Environmental policy.
USA.

Dewey Class. No.: 632.19 / M157