Grasselli, G., Bai, A., Kormányos, S., Szendrei, J., Juhász, G.:
Survey of the biomass energy potential in the area of Debrecen.
In: The 4th International Symposium. Natural resources and sustainable development. Ed.: Maghiar Traian Teodor, Nagy János, Bara Vasile, Kátai János, Csép Nicolae Ioan, Jávor András, Tamás János, University of Oradea Publishing House, Oradea, 235-240, 2006. ISBN: 9639274992