1. Bit whirl - a new theory of PDC bit failure (SPE 19571);Brett,1989
2. Maintaining steerability while extending gauge length to manage whirl (SPE 119625);Dupriest,2009
3. Whirl and chaotic motion of stabilized drill collars (SPE 20930);Jansen,1990
4. Dynamics of machinery;Lanza,1911
5. Stick-slip whirl interaction in drillstring dynamics;Leine;Journal of Vibration and Acoustics,2002