Isaac-Aleman, E., Hernández-Aguilar, C., González-Olmedo, J.L., González-Vega, M.E., Fung-Boix, Y. and Ferrer-Dubois, lbys E. 2016. Effect of electromagnetic field on mineral content and chemical group during in vitro establishment and multiplication phases of coffee seedlings. Revista Cubana de Química. 28, 2 (May 2016), 692–702.