<P><U><FONT color=#800080>标题：Coefficient Change in Input-Output Models: Theory and Applications <BR>作者：Michael Sonis a; Geoffrey J. D. Hewings <BR>期刊：Published in:&nbsp; Economic Systems Research, Volume 4, Issue 2 1992 , pages 143 - 158 <BR>链接:http://www.informaworld.com/smpp/content~content=a739144636~db=all</FONT></U><A href="http://www.informaworld.com/smpp/content~content=a739144636~db=all"></A></P>
<P align=right><FONT color=#000066>[此贴子已经被作者于2008-3-14 14:56:24编辑过]</FONT></P>