sensors Article Discrimination of Milks with a Multisensor System Based on Layer-by-Layer Films Coral Salvo-Comino 1,2, Celia García-Hernández 1,2, Cristina García-Cabezón 1,2 and Maria Luz Rodríguez-Méndez 1,2,* ID 1 Group UVaSens, Engineers School, Universidad de Valladolid, 47011 ...