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Raymond L. Huhnke; Max R. Craighead. "Heating the Home with Wood"(PDF). Oklahoma Cooperative Extension Service. Archived from the original(PDF) on 24 October 2005.
USDA, NRCS (n.d.). "Robinia pseudoacacia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 22 October 2015.
Raymond L. Huhnke; Max R. Craighead. "Heating the Home with Wood"(PDF). Oklahoma Cooperative Extension Service. Archived from the original(PDF) on 24 October 2005.