1. “Weed-Crop Ecology: Principles in Weed Management,”;Aldrich,1984
2. Influence of spatial distribution of weeds on crop yield loss;Auld;Plant Prot. Q.,1988
3. Characteristics and modes of origin of weeds;Baker,1965
4. Ecosystem production in Douglas-fir plantation: Interaction of red alder and site fertility;Binkley;For. Ecol. Manage.,1983
5. Douglas-fir stem growth per unit leaf area increased by interplanted sitka alder and red alder;Binkley;For. Sci.,1984