1. Perennial Weeds: Characteristics and Identification of Selected Herbaceous Species;Anderson,1999
2. A Short History of Nearly Everything;Bryson,2005
3. Biological control of red alder (Alnus rubra) with the fungus Nectria ditissima;Dorworth;Weed Technol.,1995
4. Plant Strategies and Vegetation Processes;Grime,1979
5. Selective control of Orobanche ramosa in potato with rimsulfuron and sub-lethal doses of glyphosate;Haidar;Crop Prot.,2005