Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊
 
孙惠泉
JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM . 1983, (4): 100 -106 . 

Copyright © 2018 Journal of Beijing University of Posts and Telecommunications 京ICP备14033833号

Adress: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS    Post Code: 100876    Tel: (010)62281995    QQ: 307514248    weibo    Message    E-mail: byxb@bupt.edu.cn