@inbook{12398, author = {Robert Kirby and Kent-Andre Mardal}, title = {Constructing General Reference Finite Elements}, year = {2012}, journal = {Automated Solution of Differential Equations by the Finite Element Method}, volume = {84}, chapter = {4}, pages = {117-128}, publisher = {Springer}, isbn = {978-3-642-23098-1}, editor = {Anders Logg and Kent-Andre Mardal and Garth Wells}, }