3

Effect of air pollution on the volatile oil from leaves of pinus ponderosa

Year:
1972
Language:
english
File:
PDF, 256 KB
english, 1972
4

Oleoresin variability in pinus ponderosa

Year:
1970
Language:
english
File:
PDF, 540 KB
english, 1970
5

Mycorrhizae of Abies concolor in California

Year:
1977
Language:
english
File:
PDF, 649 KB
english, 1977