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Continue to ChatLaboratory scale Time-Lapse Ground Penetrating Radar (GPR) monitoring of controlled used engine oil contamination - https://avesis.kocaeli.edu.tr/yayin/56830de8-6f59-4bc2-a3b7-a761f10a669a/laboratory-scale-time-lapse-ground-penetrating-radar-gpr-monitoring-of-controlled-used-engine-oil-contamination