Publisher： Springer Publishing Company
ISSN： 0926-7220
Source： Science and Education, Vol.12, Iss.8, 2003-11, pp. : 799-802
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
Related content
Science and Education, Vol. 14, Iss. 2, 2005-02 ,pp. :
Access to resources
Recommend
Science and Education, Vol. 13, Iss. 3, 2004-04 ,pp. :
Science and Education, Vol. 14, Iss. 1, 2005-01 ,pp. :
Science and Education, Vol. 13, Iss. 7, 2004-11 ,pp. :
Science and Education, Vol. 13, Iss. 1-2, 2004-02 ,pp. :