Published Slag and ash chemistry after high-calcium lignite combustion in a pulverized coal-fired power plant by Papastergios G., Fernandez –Turiel J.L., Georgakopoulos A. and Gimeno D. 77-82_Papastergios_358_9-1.pdf
Published Chemical composition of precipitation at coastal and marine sampling sites in Mexico by Ceron R.M., Ceron J.G., Cordova A.V., Zavala J. and Muriel M. paper_8_Ceron_328.pdf