Published Platinum concentrations in urban airborne particles from Shanghai, China by Yang Y., Li X., Li Y.L., Tan M., Lu W., Zhang G. and Li Y. 169-173_487_Yang_10-2.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