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Cardelli, Roberto; Becagli, Michelangelo; Marchini, Fausto; Saviozzi, Alessandro . (2017). Effect of Biochar, Green Compost, and Vermicompost on the Quality of a Calcareous Soil. Soil Science, (), 1–. doi:10.1097/SS.0000000000000216 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research