<div class="page" style="font-family:-webkit-standard;"> <div class="layoutArea"> <div class="column"> <span style="font-size:15pt;font-family:TimesNewRomanPS;font-weight:700;">Analyses on schedule-cost coefficient correlation of spaceflight project based on historical statistics and its application</span> </div> </div> </div>

Liu Yanqiong & Chen Yingwu

Journal of Systems Engineering and Electronics . 2006, (4): 769 -774 . DOI: 10.1016/S1004-4132(07)60014-0