Bioremediation of crude oil-bearing soil: Evaluation of rhamnolipid addition as for the toxicity and crude oil biodegradation efficiency by Millioli V.S., Servulo E.F.C., Sobral L.G.S. and de Carvaiho D.D.
Estimation of future methane production from Hellenic landfills by Tsatsarelis T. and Karagiannidis A.