http://doi.acm.org/10.1145/984540.984546 db/journals/sigmod/Chin84.html W. N. Chin Some Comments on "Deadlock Detection is Cheap" in SIGMOD Record Jan 83. 61-63 sigmodR/14-1/P061.pdf 1984 14 SIGMOD Record 1 db/journals/sigmod/sigmod14.html#Chin84 journals/sigmod/AgrawalCD83