by Mishra, Bhogendra, Tripathi, Nitin K., Babel, Mukand S.
Published in Journal of mountain science (01.07.2014)

by Wu, Tian-Yi, Liu, Feng-Yun, Ouzhou-Loubu, Cui, Chao-Ying, Qi, Xue-Bin, Su, Bing
Published in Zhongguo ying yong sheng li xue za zhi (01.11.2013)

by Zeng, LingSen, Liu, Jing, Gao, Lie, Xie, KeJia, Wen, Li
Published in Chinese science bulletin (2009)