Journal of Hebei University (Natural Science Edition) ›› 2002, Vol. 22 ›› Issue (3): 239-241.DOI: 10.3969/j.issn.1000-1565.2002.03.008
Previous Articles Next Articles
Online:
Published:
CLC Number:
O439
0 / / Recommend
Add to citation manager EndNote|Ris|BibTeX
URL: //xbzrb.hbu.edu.cn/EN/10.3969/j.issn.1000-1565.2002.03.008
//xbzrb.hbu.edu.cn/EN/Y2002/V22/I3/239
