http://doi.acm.org/10.1145/219713.219760 db/journals/sigmod/EnglertGH95.html Susanne Englert Ray Glasstone Waqar Hasan Parallelism and its Price: A Case Study of NonStop SQL/MP. 61-71 sigmodR/24-4/P061.pdf 1995 24 SIGMOD Record 4 db/journals/sigmod/sigmod24.html#EnglertGH95 http://www.acm.org/sigmod/record/issues/9512/hasan.ps