Guansong Zhang Francisco Martínez Arie Tal Bob Blainey Busy-Wait Barrier Synchronization Using Distributed Counters with Local Sensor. 84-98 2003 conf/wompat/2003 WOMPAT http://link.springer.de/link/service/series/0558/bibs/2716/27160084.htm db/conf/wompat/wompat2003.html#ZhangMTB03