51. Wave and Vortex Dynamics on the Surface of a Sphere Polvani, Lorenzo M.; Dritschel, David G. 1993 Articles AtmosphereMathematicsAtmosphere, Upper
52. Rossby Wave Breaking, Microbreaking, Filamentation, and Secondary Vortex Formation: The Dynamics of a Perturbed Vortex Polvani, Lorenzo M.; Plumb, R. Alan 1992 Articles AtmosphereAtmosphere, UpperPhysics
53. The Roll-Up of Vorticity Strips on the Surface of a Sphere Dritschel, David G.; Polvani, Lorenzo M. 1992 Articles AtmosphereMathematicsAtmosphere, Upper