原文由 ycybs 发表:
sd文献一篇
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V74-4H8FPMK-1&_user=6105724&_coverDate=03%2F31%2F2006&_rdoc=7&_fmt=high&_orig=browse&_srch=doc-info(%23toc%235832%232006%23999379991%23616744%23FLA%23display%23Volume)&_cdi=5832&_sort=d&_docanchor=&_ct=21&_acct=C000055340&_version=1&_urlVersion=0&_userid=6105724&md5=6433e4387adef64772bcef126a59cd5b