Kurt Wiesenfeld, Pere Colet, and Steven H. Strogatz, “Synchronization transitions in a disordered Josephson series array,” Physical Review Letters 76 (1996), pp. 404–407; “Frequency locking in Josephson arrays: Connection with the Kuramoto model,” Physical Review E 57 (1998), pp. 1563–1569. Популярное изложение этой работы можно найти в статье Ivars Peterson, “Keeping the beat,” Science News 149 (April 13, 1996), pp. 236–237.