Mingram, J., Schettler, G., Allen, J., Brüchmann, C., Luo, X., Liu, J., …Negendank, J. (2004). Maar and Crater Lakes of the Longwan Volcanic Field (N.E. China) and their Potential for Palaeoclimatic studies. In Y. Yasuda, & V. Shinde (Eds.), Monsoon and Civilisation (63-72). Roli Books