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APA Citation
Solgi, A., Naghdi, R., Labelle, E. R., Tsioras, P. A., & Nikooy, M. (2016). effect of varying machine ground pressure and traffic frequency on the physical properties of clay loam soils located in mountainous forests. International journal of forest engineering, 27(3), 161–168. http://access.bl.uk/ark:/81055/vdc_100036930770.0x00003e