목록 Evaluation of Particulate Materials using Wave-Based Techniques Journal KSCE JOURNAL OF CIVIL ENGINEERING Vol 7 Page 763-772 Author Baak,SH[Baak,Seng-Hyoung]; Kwon, TH[Kwon, Tae-Hyuk]; Cho, GC[Cho, Gye-Chun] Year 2008~ Date 2003-11