ALVARO LOPEZ BERNALFRANCISCO VILLALOBOS MARTIN2026-01-292026-01-29201510.1515/fca-2015-00302-s2.0-84940382185https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/26382AnalysisApplied MathematicsFractional Approach for Estimating Sap Velocity in Treesresearch article