ISSN 2096-4498

   CN 44-1745/U

二维码
Statistical Analysis on Relationship between GPR Wave Frequency   and Grade of Rock Mass
HUANG Zhen, LIU Chengyu
Tunnel Construction . 2012, (1): 61 -65 .  DOI: 10.3973/j.issn.1672-741X.2012.01.012