@article {Simula.simula.2030,
	title = {Automating the Solution of PDEs on the Sphere and Other Manifolds in FEniCS 1.2},
	journal = {Geoscientific Model Development},
	number = {6},
	year = {2013},
	month = {June},
	pages = {2099-2119},
	author = {Marie E. {Rognes} and David A. {Ham} and Cotter, Colin and McRae, Andrew}
}
