印刷用 http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6V87-3VV04NC-C-1&_cdi=5863&_orig=browse&_coverDate=12%2F31%2F1996&_sk=999779998&view=c&wchp=dGLbVzb-zSkzk&_acct=C000009858&_version=1&_userid=127492&md5=74d72d23ac82f379a34b75…