Georg Klene Adolf Grauel Harold J. Convey Andrew J. Hartley Design of Multi-drilling Gear Machines by Knowledge Processing and Machine Simulation. 93-98 2002 conf/ideal/2002 IDEAL http://link.springer.de/link/service/series/0558/bibs/2412/24120093.htm db/conf/ideal/ideal2002.html#KleneGCH02