Ho, S.S.H., Ho, K. F., Liu, S. X., Cao, J., Liu, W. D., Lee, S. C., Fung, K. K., Zhang, R. J., Huang, Y., Feng, N., Cheng, Y. (2012). Quantification of carbonate carbon in aerosol filter samples using a modified thermal/optical carbon analyzer (M-TOCA), Anal. Methods, 4, 2578-2584