@book{UBHD-68465251, author={Yan, Jun}, publisher={Zhong guo ke xue wen hua yin xiang chu ban she}, address={[Bei jing]}, year={2013}, pages={117 Seiten}, language={chi and eng}, isbn={978-7-7986-3023-7}, library={OA [Signatur: ML197.2.Y36 M37 2013]}, }