Andrzej Czygrinow Michal Hanckowiak Edyta Szymanska A Fast Distributed Algorithm for Approximating the Maximum Matching. 252-263 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3221&spage=252 2004 conf/esa/2004 ESA db/conf/esa/esa2004.html#CzygrinowHS04