Bravo Rodríguez, Vicente, Encarnación Jurado Alameda, Juan Francisco Martínez Gallegos, Antonia Reyes Requena, Ana Isabel García López, Joaquim Manuel Sampaio Cabral, Pedro Fernandes, and Luis Joaquim Pina da Fonseca. 2006. “Modification of the Activity of an α-Amylase from Bacillus Licheniformis by Several Surfactants”. Electronic Journal of Biotechnology 9 (5). Valparaíso, Chile:0-0. https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v9n5-16.