Foliar response of ten tree species exposed to SO2 air pollution
Biggs, A.R., Davis, D.D.
Foliar response of ten tree species exposed to SO2 air pollution - Pennsylvania 1981 - 0.666666667 - No. 375; Pennsylvania Agricult .
Foliar response of ten tree species exposed to SO2 air pollution - Pennsylvania 1981 - 0.666666667 - No. 375; Pennsylvania Agricult .