%0 Journal Article
%T AN EXPRESSION FOR CALCULATING CRACK EXTENSION<br>
%A Zhao Tingshi Central China Engineering Institute
%A <br>
%J 金属学报
%D 1979
%I 
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=3090CE4BE5566EF95799222878F329CD&yid=8C8371356FB4C85C&vid=23CCDDCD68FFCC2F&iid=0B39A22176CE99FB&sid=D0182A31A5EB14BA&eid=88D36036CFF69B3C&journal_id=0412-1961&journal_name=金属学报&referenced_num=0&reference_num=4