db/conf/cikm/TeschW97.html Thomas Tesch Jürgen Wäsch Global Nested Transaction Management for ODMG-Compliant Multi-Database Systems. 67-74 CIKM1997/P067.pdf 1997 conf/cikm/97 CIKM http://doi.acm.org/10.1145/266714.266861 db/conf/cikm/cikm97.html#TeschW97