1. Air pollution effects on growth;Arbaugh,1999
2. Californian upland forests and woodlands;Barbour,1988
3. Effects of selection pressure by SO2 pollution on genetic structure of Norway spruce (Picea abies);Bergmann,1985
4. The impact of air pollution on the genetic structure of Norway spruce;Bergmann;Silvae Genetica,1987
5. Selection effects of air pollution in Norway spruce (Picea abies L.) populations;Bergmann,1989