Bimonthly, Started in 1955 Sponsored by: Peking University Chief editor: ZHAO Guangda Edited and published by:
Editorial Office of Acta Scientiarum Naturalium Universitatis Pekinensis (Peking University, Beijing 100080, P. R. China) Distributed abroad by:
China International Book Trading Telephone: 86-10-62756706 E-mail: xbna@pku.edu.cn
