Database Research Acitivities at The University of Vienna.

http://doi.acm.org/10.1145/140979.141004 A. Min Tjoa G. Vinek Database Research Acitivities at The University of Vienna. 51-55 sigmodR/21-3/P051.pdf 1992 21 SIGMOD Record 3 db/journals/sigmod/sigmod21.html#TjoaV92