[1]
Delgado Méndez, M.A., Vanegas Carvajal, M. and Delgado Alvarado, G. 2007. Chemical Metrology I: Calibration of a pH meter and Quality Control. Universitas (León) . 1, 1 (Jul. 2007), 14–20. DOI:https://doi.org/10.5377/universitas.v1i1.1627.